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Peer reviewedHoste, R. – British Journal of Educational Psychology, 1981
In this paper, a proposal is made by which a content validity coefficient can be calculated. An example of the use of the coefficient is given, demonstrating that different question combinations in a CSE biology examination in which a choice of questions was given gave different levels of content validity. (Author)
Descriptors: Achievement Tests, Biology, Content Analysis, Item Sampling
Download full textHeller, Joan I.; Curtis, Deborah A.; Jaffe, Rebecca; Verboncoeur, Carol J. – Online Submission, 2005
This study investigated the relationship between instructional use of handheld graphing calculators and student achievement in Algebra 1. Three end-of-course test forms were administered (without calculators) using matrix sampling to 458 high-school students in two suburban school districts in Oregon and Kansas. Test questions on two forms were…
Descriptors: Test Items, Standardized Tests, Suburban Schools, Item Sampling
