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Describe the predictive value of correlation in psychological research. Specifically, once a statistical relationship is observed between two variables, what must be determined about that relationship before it can be used to forecast future outcomes?
Question: Describe the predictive value of correlation in psychological research. Specifically, once a statistical relationship is observed between two variables, what must be determined about that relationship before it can be used to forecast future outcomes?
Sample answer: The predictive value of correlation means that once a statistical relationship between two variables is observed, researchers can use one variable to predict the other. Before making these predictions, the strength of the statistical relationship must be determined. By observing strong correlations in existing data, researchers can forecast future outcomes in similar scenarios.
Key points:
- A correlation allows researchers to predict one variable based on the other.
- The strength of the statistical relationship must be determined first.
- Predicting future outcomes relies on observing strong correlations in existing data.
Rubric: Full credit is awarded for accurately recalling that the strength of the relationship must be determined and that observing strong correlations in existing data allows for forecasting future outcomes or predicting relative success.
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Research Methods in Psychology - 4th American Edition @ KPU
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