Publication Search

72,210 articles from 658 journals · 2,111 citations tracked

Showing 401-420 of 488

Analytics

Testin Gulo; Ihsan Hidayatulloh; Basilius B. Gulo

Jurnal Rumpun Ilmu Bahasa dan Pendidikan 2023 Asosiasi Periset Bahasa Sastra Indonesia

Phonological acquisition is a critical aspect of a child's language development. This process involves the formation of a complex sound system of language through the interaction between genetic and environmental factors. This article examines how the process of phonological acquisition in the language of children aged 3.5 years. Children who were the object of this study had a fairly good level of language acquisition. But in terms of phonology, there are still many errors in pronunciation. The background of this study examines the importance of understanding the phonological acquisition process in a critical stage of children's language development. The study aims to identify the main factors that influence phonological acquisition in this age range. The method used in this study is a descriptive qualitative method, which explains the acquisition of language in children in terms of phonology. Data collection techniques involve listening, interacting and speaking. The object of this study was a girl named Grace Angel Agata, who in interacting have been able to pronounce various forms of simple words and sentences. The results showed that the children were able to pronounce vowel elements (a, i, u, e, o), while consonant elements were still found to have some pronunciation errors. The study's findings underscore the role of social environment, interaction with others, and genetic predisposition in shaping a child's phonological development.

Vinolia Mega Putri; Albertus Purwaka; Alifiah Nurachmana; Patrisia Cuesdeyeni; Widiapuspita Widiapuspita +1 more

Bhinneka: Jurnal Bintang Pendidikan dan Bahasa 2023 Universitas Palan

Humans use language as a means of communication. When communicating, speakers should use polite language because with polite language, speakers will maintain their dignity and respect their interlocutor. Apart from being an entertaining spectacle, films can also be used as a medium for learning and disseminating information today. This research aims to describe forms of compliance and violation of politeness principles in the film Ngeri-Ngeri Sedap directed by Bene Dion Rajagukguk. This research uses a qualitative descriptive method with the aim of explaining the forms of compliance and violation of Leech's (1993) politeness principles in the film Ngeri-Ngeri Sedap. The data collection method used in this research uses the note-taking technique. The listening method is done by watching or listening to the speech of the characters in the film and then using note-taking techniques as a continuation. The data obtained is described and determined whether it constitutes compliance or a violation of politeness. The results of the research show that there is compliance with the principles of politeness in the film Ngeri-Ngeri Sedap, amounting to 20 data consisting of 1 utterance of the maxim of wisdom, 3 utterances of the maxim of generosity, 8 utterances of the maxim of praise, 1 utterance of the maxim of simplicity, 2 utterances of the maxim of agreement and 5 utterances of the maxim of sympathy . Apart from compliance, there were also violations of politeness principles, totaling 12 pieces of data consisting of 1 utterance of the maxim of generosity, 1 utterance of the maxim of praise, 2 utterances of the maxim of simplicity, 7 utterances of the maxim of agreement, and 1 utterance of the maxim of sympathy.

Ernawati Br Barus; Harry Dito Meliala; Vera Charoline Br Barus

Pandawa : Pusat Publikasi Hasil Pengabdian Masyarakat 2023 Asosiasi Riset Ilmu Pendidikan Indonesia

Language is known as a tool for interaction or communication that people use every day in various contexts, including education, economy, travel, and religion. Language skills include four components: speaking, listening, reading, and writing. From the learning outcomes are still low with 6 students failing, researchers need to make improvements to learning. The purpose of this improvement is so that researchers can improve weaknesses in the next. Based on the results obtained by researchers in implementing research at SMA Bersama Berastagi both through assignments, Student Worksheets (LKS) and Based on the results of the exam, students' ability to write drama scripts has increased. This is evidenced by students having mastered the skills of writing drama scripts.

Muh Fadli Anugrah M; Andi Syukri Syamsuri; M. Agus

This research aims to describe the improvement of listening skills using the chain whisper playing method in class V students of SDI No. 147 Palalakkang, Galesong District, Takalar Regency. This type of research is Classroom Action Research (PTK). The research subjects were 10 people consisting of 5 male students and 5 female students. Data collection methods are carried out through observation and tests. This research instrument was carried out in two cycles. The results of the research after implementing the actions for two cycles were: (a) Increasing students' positive activity where in cycle I an average score of 46% was obtained, including the criteria for being quite active and in cycle II an average score of 85 was obtained. % includes very active criteria. From an average score of 46% in cycle I to 85% in cycle II. (b) Increased student learning outcomes after implementing the use of the chain whispering method where in cycle I the average score was 60.30 and in cycle II the average score was 95. Based on these results it can be concluded that the use of the chain whispering method was used. can improve the listening skills of class V SDI No. 147 Palalakkang, Galesong District, Takalar Regency.

Reza Argianto; Yasir Yasir

Harmoni: Jurnal Ilmu Komunikasi dan Sosial 2023 International Forum of Researchers and Lecturers

Pangkalan Kerinci is an area with many industries in it, including the pulp industry or paper pulp producer. PT RAPP is a company operating in the pulp sector. As a result of this industry, many people complain about air pollution due to industrial activities carried out by PT. RAPP. These activities are monitored by the Pelalawan Regency Environmental Service in collaboration with other stakeholders. The aim of this research is to find out how the planning, implementation and evaluation of communication from the Pelalawan Regency Environmental Service is in controlling industrial air pollution in Pangkalan Kerinci City, Pelalawan Regency. This research is a type of qualitative research with descriptive methods. The subject in this research is the Pelalawan Regency government (Environmental Service) with the determination using purposive techniques. Data collection techniques in this research are through interviews, observation and documentation. The number of informants in the study was 9 people according to the criteria determined through purposive sampling. The data analysis technique used uses the model from Miles and Hubberman and the data validity technique, namely triangulation. The result of this research is that the planning carried out by the Pelalawan Regency Environmental Service was carried out by listening to complaints from the surrounding community, always formulating objectives to provide understanding to the community and then develop message by conveying environmental messages in an informative, persuasive and cognitive manner, which is then continued with media production planning by the Pelalawan City environmental service. The Environmental Service carried out planning implementation after presenting the work program idea, then carrying out technical guidance outreach activities related to PP Number 22 of 2021, collaborating with NGOs and local communities and conveying environmental messages through billboards. Meanwhile, evaluation activities are carried out every six months.  

Mursid Mursid; Zakiyatun Nafisah

Al-Tarbiyah: Jurnal Ilmu Pendidikan Islam 2023 STAI YPIQ BAUBAU, SULAWESI TENGGARA

This research is motivated by the phenomenon of children's lack of ability to read the Qur'an in this age of technological development. Based on these problems, we were moved to conduct research at MI Al-Khoiriyah 2 Semarang where this Madrasah featured a program namely Tahsin al-Qur'an. The purpose of this research is first, to find out how the application of tahsin program to improve the ability to read the Qur'an class 1 MI Al-Khoiriyah 2 Semarang. Second, to find out the supporting and inhibiting factors of the implementation of the tahsin al-Qur'an program at Madrasah Ibtidaiyah. Third, to find out how the influence of tahsin program to improve the ability to read al-Qur'an of grade 1 students in Madrasah Ibtidaiyah. This type of research is qualitative research with observation and interview methods. The data source of this research is the interview result from the companion teacher of tahsin program of grade 1 of Madrasah Ibtidaiyah Al-Khoiriyyah 2 Semarang. The results of this study indicate that the application of the tahsin program at MI Al-Khoiriyah 2 Semarang has a significant influence on improving children's ability to read the Qur'an from an early age. In the learning process the teacher uses the reading and listening method. The teacher also models the correct reading and justifies the wrong reading to the students.

Dina Aulia Yudistira Munthe; Trisna Pratiwi Hasibuan; Dinda Patliana Sukma; Syahrani Yumna Irfani; Yuli Deliyanti

Jurnal Riset Rumpun Ilmu Bahasa 2023 Pusat riset dan Inovasi Nasional

Language skills are needed for all individuals. This is because language skills are a model for developing students’ intellectual, social, and character abilities. The first language skill possessed by humans is listening. The purpose of writing this article is to analyze student listening skills in learning Indonesian at MI/SD. This research uses the library research method which is a series of activities related to the method of collecting library data, reading and recording and processing the research material. Listening is one of the most important language skills that must be mastered by students, but in reality many students do not like learning to listen. Most think that learning to listen is a boring lesson.

Leonardo Dian Saiya; Sri Mulyeni

Journal of Educational Innovation and Public Health 2023 Pusat Riset dan Inovasi Nasional

Humans have extraordinary brain power, however, a method is also needed to optimize brain performance. One of them is short-term memory. Listening to classical music will provide calm and stimulate and regulate the brain's condition for concentration. Classical music can also balance the activity of the right and left brain and regulate brain waves in good condition when studying. The type of research used was pre-experimental with a one group pretest posttest design, with the aim of seeing the influence of classical music on short-term memory in first year students at Pasim National University, Bandung city. The data collection technique used was simple random sampling with a sample size of 10 people, the average value of short-term memory in the pretest (16.3), posttest (21.4), and the average value of increase (5.1). . From the results of this research, it is stated that classical music has an effect on short-term memory in Pasim National University students, with evidence that there is an increase in results from pretest to posttest.

Cholifia Nurchaliza; Nisreina Aura Kasih Nugraena; Pattriacia Roulina Br Malau; Rojwa Fadla Saniyya; Asep Purwo Yudi Utomo +1 more

Jurnal Riset Rumpun Ilmu Bahasa 2023 Pusat riset dan Inovasi Nasional

The syntax is a grammar that can decipher the relationship of language elements to form sentences. The function of syntax is as a container in a syntactic structure that contains certain categories. It can be called subject (S), Predicate (P), Object (O), Complement (COMP), and Adverb (ADV). Phrase analysis in short story texts in Indonesian language books for fourth-grade elementary school independence curriculum. This analysis is a qualitative descriptive analysis of the short story text in the Indonesian language book for the fourth grade of the Independent Curriculum. Phrases are syntactic units cobining of two or more words and do not have clauses that occupy one function. Many do not understand how to divide groups of phrases and the causes of errors. Therefore, this research to classify phrases based on their types, and the causes of phrase errors in short stories texts in Indonesian language books for fourth-grade elementary school independence curriculum. Listening and then recording is a technique that can be done when data collection. The results of this study indicate that there are noun phrases, verb phrases, adjective phrases, numeral phrases, and errors in the use of phrases in short stories sentences. This analysis is expected to better understand and be able to develop the use of phrases in short stories.

Tri Diantami; Siwi Widura Yuwana; Eni Nurhayati

Jurnal Riset Rumpun Ilmu Bahasa 2023 Pusat riset dan Inovasi Nasional

This article aims to discuss in detail the importance of language education in building a cultured character at the PGRI 9 SIDOARJO Junior High School level. Language education has a very important role in shaping the character of students, especially during adolescence which is a crucial period in the formation of their personality. Language education at Junior High School PGRI 9 SIDOARJO provides opportunities for students to develop language skills, both in speaking, writing, reading and listening. Students learn grammar, vocabulary, and language skills needed in everyday life. Language education is also important in building a cultured character. Students are exposed to literary works that represent diverse cultural values, develop empathy, tolerance and understanding of cultural diversity. Language education teaches good communication ethics, respect for the opinions of others, courtesy, and honesty. Students learn to respect and understand the perspectives of others and communicate effectively by taking into account social and cultural contexts. Good language skills open doors for students to acquire new knowledge and access broader information. Language education provides a strong foundation for students in studying other subjects, developing interests and talents, and facing challenges in an increasingly global world of work. This article emphasizes the importance of language education in building cultured character at Junior High School PGRI 9 SIDOARJO. Language education improves language skills, understands culture, and develops inclusive, empathetic, and communicative characters

Suharti Suharti; Makroen Sanjaya

Harmoni: Jurnal Ilmu Komunikasi dan Sosial 2023 International Forum of Researchers and Lecturers

Social media is currently in demand by many people. Star Radio Tangerang utilizes Instagram social media to promote its broadcast programs so that listeners do not find it difficult to continue listening to their broadcasts. The purpose of this research is to find out the utilization of Instagram social media at Star Radio Tangerang in promoting broadcast programs for its listeners and to find out how the feedback obtained after utilizing Instagram social media. This research uses Social Media theory, using a qualitative approach, and descriptive method. Data collection techniques were carried out through documentation, observation, literature study, and in-depth interviews. The results of this study show social media as a medium for socialization between broadcasters and listeners, making it easier for them to access and listen to broadcasts. Social media is proven to be the latest development of new internet-based web development technology, which makes it easier for everyone to communicate, participate, share and form a network online.

Fadhliani Fadhliani; Salmi Wati; Junaidi Junaidi; Nurhasnah Nurhasnah

Concept: Journal of Social Humanities and Education 2023 Sekolah Tinggi Ilmu Administrasi Yappi Makassar

This research is based on problems encountered by the author in the field, especially at the Nurul Hidayah Islamic Boarding School, namely that the Al-Qur'an hadith subject teachers at the Nurul Hidayah Islamic Boarding School are quite good. Starting from the beginning of learning which reminds them of memorization by reading it together and memorizing the Al-Qur'an and Hadith at the beginning of each week's learning, it's just that students don't use the best possible time to memorize the Al-Qur'an and Hadith. The aim of this strategy is that it is hoped that it can improve the ability to memorize the Al-Qur'an Hadith of students at MTs Nurul Hidayah. This research is descriptive research and the type of research is field research. The research is located at the Nurul Hidayah Simatorkis Islamic Boarding School. The key informants were Al-Qur'an Hadith teachers and the supporting informants were class IX students at MTs Nurul Hidayah. The data collection techniques used by researchers are observation, interviews and documentation. The results of this research show that teachers in improving the memorization ability of students at MTs Nurul Hidayah use strategies, namely methods and techniques. The methods used by teachers in learning are the takrir method (repeating by rote), the kitabah method (writing) and the sima'i (listening) method and the technique is to use the teacher as an instructor in guiding students so that they can improve their ability to memorize Al-Qur'an Hadith at MTs Nurul Hidayah. And the things that a teacher considers in using strategies are seen from considerations related to the goals to be achieved, seen from considerations related to learning materials or materials, seen from considerations from the student's perspective.

Ayu Azhari; Arifmiboy Arifmiboy; Iswantir M; Afrinaldi Afrinaldi

Perspektif: Jurnal Pendidikan dan Ilmu Bahasa 2023 STAI YPIQ BAUBAU, SULAWESI TENGGARA

During the PAI process, researchers saw that students did not play an active role during the learning process. Based on this problem, the aim of conducting this research is to find out how much influence the application of the Word Square type cooperative learning model has on the PAI learning activity of students at SMP N 3 Kinali. In this research, the type of research used by researchers is experimental research. From this experimental research, the researcher took a Quasi experimental design. The design is a Posttest Only Control design. Based on the results of the analysis of students' PAI learning activeness during the learning process by implementing the Word Square type cooperative learning model. In the learning process, students were seen paying attention and listening to the explanations given by the researcher and actively asking questions. The average result is 81.13. After data collection, it is then processed and hypothesis tested using the t-test. At the significant level α = 0.05. Test criteria: Accept Ha if tcount ≥ ttable and Reject H0 if tcount ≤ ttable. The results of hypothesis testing using the t-test show that the tcount value (21.5030) is greater than ttable (1.999). So, H1 is accepted, namely that there is an influence of implementing the Word Square type cooperative learning model on students' active PAI learning.

Yosse Amanda Pratama; Valisa Nur Ajizah; Uswatun Hasanah; Muhammad Nur Ikhsan; Rafika Rahmawati

Bhinneka: Jurnal Bintang Pendidikan dan Bahasa 2023 Universitas Palan

Gadgets are electronic devices that are used as information media, learning media, and as entertainment. Another benefit of the gadget is that it can connect to the internet and students are familiar with the functions of the internet. This has resulted in many students misusing the use of the internet for negative things, so students must always be under the supervision of their parents. The purpose of this study was to analyze the effect of gadget use and interest in learning on junior high school students' learning outcomes. The type of research used in this research is quantitative research with a correlational descriptive approach, the nature of the data is ex post facto, namely a research conducted to investigate events that have occurred and then look back at past events to find out the factors that could have caused these events to occur. . The technique used by researchers in this study was to use a questionnaire to obtain data on the impact of using gadgets and learning interest on learning outcomes. This research was carried out with 20 students as research subjects and assisted by listening to teachers at Al-Azhar Middle School, Bekasi City. The results showed that the use of gadgets did not significantly influence student learning outcomes. There is a significant influence of the use of gadgets and learning interest on learning outcomes. This can be proven by the strong value of Sig = 0.000 and F count = 12.788 F table = 3.591. So this can be said to be the value and F count > F table and Sig 0.000 > 0 ,05. Based on these results, it can be concluded that the impact of using gadgets and learning interest on learning outcomes has a significant effect on Student Learning Outcomes at SMP AL-Azhar Bekasi City.    

Mizwar Wahyudi; Abd.Rahman Rahim; Abd Munir

Jurnal Bima : Pusat Publikasi Ilmu Pendidikan Bahasa dan Sastra 2023 Asosiasi Riset Ilmu Pendidikan Indonesia

This research uses a qualitative approach. The data for this research are speech obtained from speech events between sellers and buyers at the Malino People's Market, Gowa Regency. Language is the object of research and language use (sellers and buyers) is the subject of this research. The data source is the speech of sellers and buyers, which occurred in buying and selling transactions at the Malino People's Market, Gowa Regency, which were carried out from December 2022 to January 2023. The method used to collect data was the observation, listening, recording and note-taking method. Data analysis was carried out by adhering to a flow model data analysis flow which includes four activity steps, namely (1) data collection, (2) data reduction, (3) data presentation, and (4) conclusion/verification. The research results show that (1) The variety of buying and selling languages ​​at the Malino People's Market, Gowa Regency consists of (a) Sellers and buyers use Makassar language; (b) Sellers and buyers use the Makassar dialect of Indonesian; (c) Sellers and buyers use Bugis language; (d) The seller uses the Makassar dialect of Indonesian and the buyer uses the Jakarta dialect of Indonesian; (e) Sellers and buyers use the Jakarta dialect of Indonesian; (f) The seller uses Makassar language and the buyer uses Indonesian; (g) The seller uses Makassar language instead of Indonesian and the buyer uses Indonesian; (h) The seller uses Makassar language instead of Bugis language and the buyer uses Bugis language; (i) Sellers and buyers use a code-mixed language of Makassar or Bugis and Indonesian. (2) The interaction pattern in buying and selling interactions at the Malino People's Market, Gowa Regency consists of (a) transaction objectives; (b) the relationship between the seller and the buyer is personal: (c) bargaining; (d) the seller in his interaction develops verbal persuasion; (e) buyers in interactions develop verbal persuasion. (3) The speech levels of sellers and buyers in buying and selling interactions at the Malino People's Market, Gowa Regency consist of high, medium and medium levels.  

Nurul Nuha Tasliyah; Irma Mustika Sari

Jurnal Ilmu Kesehatan dan Gizi 2023 Pusat Riset dan Inovasi Nasional

Background: High levels of stress can result in biological, psychological and social problems and even serious harm to a person. Emotional prevalence in Central Java is characterized by 95,461 depressive symptoms. Stress in students can originate from activities and also academic assignments. Objective: Therapy that can be carried out by Muslims with an Islamic approach, namely psychoreligious by listening to the holy verses of the Koran or murottal Al-Qur'an. This research aims to determine the effect of providing murottal Al-Qur'an on stress levels in students at 'Aisyiyah University, Surakarta. The research respondents were students at 'Aisyiyah University, Surakarta, female, aged 18-22 years, from the faculty of health sciences and not deaf. Methods: This study measured the stress level of the pretest and posttest design. The subjects of this study amounted to 2 respondents. The questionnaire used in this study was the DASS (Depression Anxiety Stress Scale) questionnaire to measure student stress levels. Results: Before being given murottal Al-Qur'an the level of stress was high, and after being given murottal Al-Qur'an the level of stress was mild. Conclusion: The results show that there is a significant reduction in stress levels in 'Aisyiyah Surakarta University students, after being given Al-Qur'an murottals.  

Sam Hermansyah; Nurasia Natsir

International Journal of Education and Literature 2023 Lembaga Pengembangan Kinerja Dosen

Effect of Application Usage “Hello English” Smartphone Based Android Against Upgrades Student Learning Outcomes in English Subjects in Middle School (Quasi-Experiments in Language Subjects English Class VII Students at Sidrap 1 Public Middle School) The research started with a lack of student learning outcomes with a percentage below 50% for English material, especially listening skills . Research done by using the experimental method. Planning is made such as using the Hello English Application based on Android and research instruments to support learning. The implementation of learning is passed properly starting from the initial activities (giving pretest questions), core activities (introduction, and use of the application Hello English) and closing activities (giving post test questions).  This shows that the use The Hello English application has the effect of increasing student learning outcomes in English subjects in junior high schools, specifically ability listening.

Mellarisca Nadya Nur Rosena; Andi Hallang Lewa

In the daily operation of a hotel, it is inevitable that guest complaints will occur. Even though all the facilities and services provided are up to standard, it is not uncommon for hotels to encounter obstacles or problems that cause guests to be disappointed and guests submit them in the form of complaints. With this complaint phenomenon, a hotel provides a complaint service that connects guests with the hotel as a complaint handling strategy. This section is the Guest Relations Officer, Guest Relations is responsible for complaints submitted by guests and ensures that the service that guests receive during their stay is the best service. The author conducts research on Guest Relations efforts in handling complaints that occur at hotels. Because the Guest Relations Officer is tasked with handling complaints, a complaint handling system is needed that is systematically arranged. As an effort to handle complaints, a standard for handling complaints has been established. This standard is a benchmark for a hotel in providing Guest Relations services for guests. This study uses a qualitative descriptive research method. To obtain the data needed for writing this research using four methods, namely interviews, observation, documentation, and literature study so as to obtain accurate data. The data obtained is arranged in a research result that will be used as the author's final project. From the results of research conducted by the authors found that the handling of complaints carried out by the Guest Relations Officer at Hotel Tentrem Semarang went well so that complaints that occurred could be resolved properly. In addition to handling complaints, the authors also found that the Guest Relations Officer was also in charge of handling VIP guests, where these VIP guests were important people or members of the government. The results of this study indicate that the Guest Relations Officer is very influential in the service of a hotel, because listening to guest complaints and dealing with complaints can maintain guest confidence in the services provided by the hotel.

Rista Helmalia Putri; Siti Ulfiyani; Muhajir Muhajir

Jurnal Ilmu Sosial, Bahasa dan Pendidikan 2023 Pusat Riset dan Inovasi Nasional

The purpose of this research is to describe and find out the moral values ​​contained in the collection of short stories by Ustad Salim Menangis by Budi Maryono. This study uses a qualitative method. The approach used in this study is a qualitative descriptive approach and sociology of literature. The data collection technique used in this study was listening, reading, and taking notes. The technique of presenting research data uses informal techniques. The data analysis technique used in this research is content analysis. The results of the study show that there is a moral value contained in the collection of short stories by Ustad Salim Crying by Budi Maryono. There are three types of moral values, namely the human relationship with oneself, the human relationship with God, and the human relationship with the social sphere and the natural environment. The moral values ​​of human relations with oneself include working hard, promising, having principles, responsibility, managing time, never giving up, awareness, regret, and self-improvement. The moral values ​​of human relations with God include praying, trusting God, worshiping God, second chances from God, sacrifice, and surrender. The moral values ​​of human relations with the social sphere and the natural environment include caring, helping, loving, respecting, family responsibilities, advice, helping each other, establishing hospitality, and mother's love.

Rosmini Rosmini; Andi Syukri Syamsuri; Desi Ayuandira

This study examines the forms of variations of the Manggarai dialect found in the speech of sellers and buyers at Wae Kesambi Market, Jalan Palmerah Selatan, Komodo District, Labuan Bajo City, West Manggarai Regency and describes the functions of variations in the Manggarai dialect in the speeches of sellers and buyers at Pasar Wae Kesambi, Jalan Palmerah Selatan. Komodo District, Labuan Bajo City, West Manggarai Regency. The theory used in this study is the theory put forward by Chaer and Agustina (210), Halliday and Alwasilah (1993) relating to language variations and the functions of language variations. This research took place at Wae Kesambi Market, Jalan Palmerah Selatan, Komodo District, Labuan Bajo City, West Manggarai Regency. Data was collected using observation techniques, recording techniques, listening techniques and note-taking techniques. The results showed that there were 74 data on dialect variations of the Manggarai language with details on language variations in terms of 15 speakers, 2 data on language variations in terms of usage, 2 data on language variations in terms of formality and 74 data on terms of facilities. oral means. The research also shows the results of the dialect variation function of the Manggarai language which consists of 74 data in the form of 2 data of instrumental functions, 1 data of toris regulatory functions, 2 data of representational functions, 7 data of interactional functions, 1 data of personal functions and 1 data of heuristic functions. .