Question: A study was conducted to test the hypothesis that instruction type (speeded or non-speeded) affects cognitive performance. Participants aged 18 and older were recruited for

A study was conducted to test the hypothesis that instruction type (speeded or non-speeded) affects cognitive performance. Participants aged 18 and older were recruited for the study. The participants were randomly assigned to conditions where a cognitive task is given with speeded or non-speeded instructions. Performance on the cognitive task was assessed to determine if there is an effect of instruction type on performance. This study uses which observation technique (i.e., data collection method)? _____ naturalistic observations surveys systematic observations archival data

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