Abstract: . . .  When different subjects in different conditions – between-subjects design • Problem of sequence effects: – When same subjects exposed to the various conditions – within-subjects or repeated measures design Page 17 31:120 Experimental Psychology 1 Spring 2006 Prof. Prahlad Gupta Experimental Research Unit5- experimental -rsrch.pdf 17 How to control? • Creating equivalent groups? • Controlling sequence effects? Specific control . . .
. . .  effects: – When same subjects exposed to the various conditions – within-subjects or repeated measures design Page 17 31:120 Experimental Psychology 1 Spring 2006 Prof. Prahlad Gupta Experimental Research Unit5- experimental -rsrch.pdf 17 How to control? • Creating equivalent groups? • Controlling sequence effects? Specific control issues (B) Assignment of subjects to conditions (1) Avoiding nonequivalent groups (2) Avoiding . . .
. . .  subjects in different conditions – between-subjects design • Problem of sequence effects: – When same subjects exposed to the various conditions – within-subjects or repeated measures design Page 17 31:120 Experimental Psychology 1 Spring 2006 Prof. Prahlad Gupta Experimental Research Unit5- experimental -rsrch.pdf 17 How to control? • Creating equivalent groups? • Controlling sequence effects? Specific control issues (B) Assignment . . .
. . .  different conditions – between-subjects design • Problem of sequence effects: – When same subjects exposed to the various conditions – within-subjects or repeated measures design Page 17 31:120 Experimental Psychology 1 Spring 2006 Prof. Prahlad Gupta Experimental Research Unit5- experimental -rsrch.pdf 17 How to control? • Creating equivalent groups? • Controlling sequence effects? Specific control issues (B) Assignment of subjects . . .
. . .  conditions – between-subjects design • Problem of sequence effects: – When same subjects exposed to the various conditions – within-subjects or repeated measures design Page 17 31:120 Experimental Psychology 1 Spring 2006 Prof. Prahlad Gupta Experimental Research Unit5- experimental -rsrch.pdf 17 How to control? • Creating equivalent groups? • Controlling sequence effects? Specific control issues (B) Assignment of subjects to . . .
. . .  – between-subjects design • Problem of sequence effects: – When same subjects exposed to the various conditions – within-subjects or repeated measures design Page 17 31:120 Experimental Psychology 1 Spring 2006 Prof. Prahlad Gupta Experimental Research Unit5- experimental -rsrch.pdf 17 How to control? • Creating equivalent groups? • Controlling sequence effects? Specific control issues (B) Assignment of subjects to conditions . . .
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