This study assessed teachers' understanding about the nature of scientific inquiry (NOSI) and whether this understanding was reflected in their students' responses. The data were collected through the 'Views About Scientific Inquiry' (VASI) questionnaire, a reliable tool for assessing understanding about the NOSI. The sample included science…

The science teacher in the modern high school acts as the designer and driver of the in-class practice. In this role, the teacher must broadly assess the effect of the practice on the student. This would rely on accurate self-knowledge of how they act in class and impact their students. In this study we explore these issues by comparing the…

Propensity score estimation plays a fundamental role in propensity score matching for reducing group selection bias in observational data. To increase the accuracy of propensity score estimation, the author developed a bootstrap propensity score. The commonly used propensity score matching methods: nearest neighbor matching, caliper matching, and…

Co-rumination is a dyadic process between relationship partners that refers to excessively discussing problems, rehashing problems, speculating about problems, mutual encouragement of problem talk, and dwelling on negative affect. Although studies have addressed youths' "tendency" to co-ruminate, little is known about the nature of…

Estimates a model allowing researchers to determine how much achievement on a 10th-grade standardized test can be explained by observable schooling resources and unobservable school, teacher, and class effects. Although few observable variables are significant test-score determinants, unobservable effects seem important in explaining student…

This study investigated the academic background and instructional practices of California family life education teachers from home economics and other disciplines. A total of 661 principals and 415 teachers in schools with a ninth and/or tenth grade completed surveys examining teacher and course characteristics. Results are discussed. (Author/CT)