Response Bias Produced by Changing the Answer Format of a Test

Shouksmith G. Manual for the Canterbury Reasoning Test. Christchurch, N. Z.: The Caxton Press for The Carnegie Social Sciences Research Foundation, 1960.

Taylor P. H. A study of the effects of instructions in a multiple-choice mathematics test. Brit. J. educ. Psychol., 1966, 36, 1–6.