Abstract:Biases are extraneous features that can influence the validity of tests.For example, factors that affect the pedormance of learners from ethnic minorities constitute a cultural bias. Biases that can influence the test responses of students with disabilities can originate with experiences other than those that are culturally restricted. Such additional biases can be related to test content, instructional format, motivation or cognitive arousal, competition, and physical access to testing materials and response … Show more
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