Validity, Reliability, Intra-rater Instrument Parameter Teaching Factory and Learning Outcomes of Industrial Clothing

Abstract

The research aims to review the quality instrument of teaching factory parameters and learning outcomes instruments on fashion industry competence, especially internal consistency (Cronbach's alpha), reliability of retesting (Pearson correlation), and construct validity of existing parameters. Respondents were school principals and teachers involved in teaching factory management in a vocational high school for the Fashion Design skill program that taught factory learning, namely 30 people, while the research sample for testing the learning outcomes instrument was 90 students. Data collection instruments used questionnaires and observation sheets. Data analysis techniques using. Data analysis using Pearson or Product Moment, Cronbach Alpha Intraclass Correlation Coefficients (ICC). The results showed that the teaching factory's Corrected Item Total Correlation parameter was positive and > 0.3, so it was declared valid. Cronbach's alpha value of all dimensions of the teaching factory parameter is greater than 0.6, so that it can be declared to have good reliability. The learning outcome instrument is valid because the Corrected Item Total Correlation is positive and > 0.3, and Cronbach's alpha value is greater than 0.6 so that the learning outcome variable is declared to have good reliability. The measurement of the level of agreement between raters shows an average agreement between raters of 0.832, while for one rater, it is 0.712. The results show the average agreement between raters is 0.894, while for one rater, it is 0.809. The research aims to review the quality instrument of teaching factory parameters and learning outcomes instruments on fashion industry competence, especially internal consistency (Cronbach's alpha), reliability of retesting (Pearson correlation), and construct validity of existing parameters. Respondents were school principals and teachers involved in teaching factory management in a vocational high school for the Fashion Design skill program that taught factory learning, namely 30 people, while the research sample for testing the learning outcomes instrument was 90 students. Data collection instruments used questionnaires and observation sheets. Data analysis techniques using. Data analysis using Pearson or Product Moment, Cronbach Alpha Intraclass Correlation Coefficients (ICC).

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