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Direct linkHanham, José; McCormick, John – Journal of Educational Research, 2018
Relationships among self-construal, self-efficacy, and group behaviors during a group problem-solving task with friends and acquaintances were hypothesized. The sample comprised 126 students in Grades 8-11, from 5 randomly selected government high schools, organized into 42 groups. Data collection involved self-reports and observations.…
Descriptors: Foreign Countries, High School Students, Hierarchical Linear Modeling, Student Attitudes
Bentley, Brendan; Yates, Gregory C. R. – Cogent Education, 2017
Within mathematics teaching, ways to help students resolve proportional reasoning problems remains a topical issue. This study sought to investigate how a simple innovative procedure could be introduced to enhance skill acquisition. In two classroom-based experiments, 12-year-old students were asked to solve proportional reasoning mathematics…
Descriptors: Mathematics Instruction, Mathematical Logic, Thinking Skills, Experiments
Peer reviewedRoss, Kenneth N. – Journal of Educational Statistics, 1979
It is shown that using formulae for the estimation of sampling errors based on simple random sampling, when a design actually involves cluster sampling, can lead to serious underestimation of error. Jackknife and balanced repeated replication are recommended as techniques for dealing with this problem. (Author/CTM)
Descriptors: Foreign Countries, Hypothesis Testing, Research Design, Research Problems
