8 Solomon four group R O X O R O O R X O R O Note O Observation or assessment period X Intervention R Randomly assigned group research designs 249

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Question: 8. Solomon four-group R O X O R O O R X O R O Note: O Observation or assessment period X Intervention

8. Solomon four-group R O X O R O O R X O R O Note: O ¼ Observation or assessment period X ¼ Intervention R ¼ Randomly assigned group research designs 249

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