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Poon, Kin-Keung; Leung, Chi-Keung – International Journal of Mathematical Education in Science and Technology, 2010
The purpose of the study reported herein was to identify the common mistakes made by junior secondary students in Hong Kong when learning algebra and to compare teachers' perceptions of students' ability with the results of an algebra test. An algebra test was developed and administered to a sample of students (aged between 13 and 14 years). From…
Descriptors: Instructional Design, Test Results, Correlation, Academic Ability
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Ding, Kele; Olds, R. Scott; Thombs, Dennis L. – Journal of Drug Education, 2009
This retrospective case study assessed the influence of item non-response error on subsequent response to questionnaire items assessing adolescent alcohol and marijuana use. Post-hoc analyses were conducted on survey results obtained from 4,371 7th to 12th grade students in Ohio in 2005. A skip pattern design in a conventional questionnaire…
Descriptors: Substance Abuse, Marijuana, Measures (Individuals), Secondary School Students