The title of this research emphasizes social changes in the kinship system in the traditional marriage ceremony of the Nias community (case study of the fanika stages of the mbowo era) in Tuhembuasi Village, Sogae'adu District, Nias Regency. The aim of this research is: To find out/describe social changes in the kinship system in the traditional marriage ceremony of the Nias community (case study of the fanika stages of the mbowo era) in Tuhembuasi Village, Sogae'adu District, Nias Regency. In this research, the method used is a descriptive qualitative approach. The results of the research show that the causes of changes in the Fanika stages of the Mbowo era in the Nias tribe community in Tuhembuasi Village, Sogae'adu District, Nias Regency are: (1) parents nowadays are very busy so they don't have time to talk about or teach about customs. and the culture of the Nias people to their children; (2) because the implementation of the Fanika stages in the Mbowo era took a lot of time, up to 3 to 4 hours, so people also felt bored because the time was too long, so the implementation of this stage was often postponed; (3) many people currently have very little experience of Nias culture so that the implementation of its customs as they are is important to remember but is not implemented; (4) migrate, marry with other tribes, so that the celebration does not reflect Nias culture.

The aim of this research is to determine the positive and significant influence of the Ice Breaking Technique on the Learning Motivation of Class VIII Students at One Roof Middle School Negeri 5 Pangururan in Christian Religious Education and Character Education Subjects for the 2023/2024 Academic Year. The research method used is a quantitative method with a pre-experimental design type in the form of a One Shot Case Study. The population is all 102 class VIII students at One Roof 5 Public Middle School in Pangururan for the 2023/2024 academic year and a sample of 41 people was determined using random sampling techniques. Data was collected using a positive closed questionnaire with 28 items, namely 12 items for variable Negeri 5 Pangururan Subjects of Christian Religious Education and Character Education for the 2023/2024 Academic Year: 1) Test the analysis requirements: a) positive relationship test, obtained a value of rxy = 0.456> rtable(α=0.05,n=41)=0.308. b) Testing a significant relationship obtained a value of tcount= 3.200> ttable (α =0.05, dk=n-2=39)= 2.021. 2) Influence test: a) Regression equation test, obtained regression equation. b) Regression coefficient of determination test (r2) = 20.8%. 3) Test the hypothesis using the F test to obtain Fcount> Ftable=( α =0.05, dk numerator k=15, dk denominator=n-2=41-2=39) namely 10.24>1.92. Thus Ha accepted and H0 rejected.

The aim of this research is to determine the effect of the advocacy learning model on the PAK learning motivation of class IX students at GBKP Kabanjahe Private Middle School in the 2023/2024 Academic Year, with the hypothesis that there is an influence of the advocacy learning model on the PAK learning motivation of class IX students at GBKP Kabanjahe Private Middle School in the 2023/2024 Academic Year. . With a population of all class IX of GBKP Kabanjahe Private Middle School who are Protestant Christians, totaling 85 people with a sample of 85 people, so this research is a population research. Data was collected using a closed questionnaire with 33 items compiled by the author based on variable indicators according to expert theory. The questionnaire was tested with 35 respondents from class IX students at Berastagi Joint Private Middle School. using a 35 question questionnaire and after being tested, the results of the validity of the questionnaire were found to have a value of rcount > rtable = 0.254-0.773 (there were 2 question items that had validity less than rtable 0.334, namely item number 11 and item number 35 so that the invalid questionnaire was discarded Thus, the valid questionnaire consists of 33 questions. And the reliability of the questionnaire test is at 0.910, the value is very strong and has been tested for validity and reliability. The results of data analysis show that there is an influence of the advocacy learning model on students' PAK learning motivation class IX Private Middle School GBKP Kabanjahe Academic Year 2023/2024. Using the relationship test, rcount > rtable is obtained, namely 0.623>0.213, with a significant relationship test tcount > ttable, namely 9.273>2.000, with the linear regression test Y ̂ = α+bx = 13.91. +0.661X. This equation shows that in a constant state of 13.91, for every addition of variable 38.8%. This means that Ho is rejected and Ha is accepted. The significant influence test with Fcount>Ftable (52.52>4.00) means that there is a positive and significant influence between the advocacy learning model on the PAK learning motivation of class IX students at GBKP Kabanjahe Private Middle School for the 2023/2024 academic year. This research suggests that teachers always use the advocacy learning model in the teaching and learning process, so that the motivation of class IX students at GBKP Kabanjahe Private Middle School, Kabanjahe, for the 2023/2024 academic year will be better.