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Which of the Following Is an Effective Control for Placebo

question 7

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Which of the following is an effective control for placebo effects?


Definitions:

Design

The plan or specification for the construction of an object or system, or for the implementation of an activity or process.

Solomon Four-group Design

An experimental approach to assess the potential effects of pretesting on participants by including both pretested and non-pretested groups with and without the intervention.

Pretest Impact

The influence that prior testing might have on the participants' subsequent performance on a posttest, affecting the interpretation of an intervention's effect.

Posttest Scores

The scores obtained from tests administered after an experimental treatment or intervention to evaluate its effects.

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