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Handy, J.; Johnstone, A. H. – Education in Chemistry, 1973
Descriptors: Behavioral Objectives, Chemistry, Evaluation, Evaluation Methods

Handy, J.; Johnstone, A. H. – Education in Chemistry, 1973
Two problems are investigated: (1) the fact that statistics from pretests sometimes vary widely from those for the actual test; (2) whether or not a correction factor should be applied for guessing. (DF)
Descriptors: Chemistry, College Science, Educational Research, Evaluation

Friel, S.; Johnstone, A. H. – School Science Review, 1978
Presents research findings on several aspects of multiple-choice testing: (1) Effect of guessing; (2) Effect of changing the initial response; (3) Effect of item order alteration; (4) Optimum number of chores; (5) Position response set; and (6) Assessment of partial knowledge. (HM)
Descriptors: Achievement Tests, Educational Research, Educational Testing, Guessing (Tests)