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A developmental psychologist wants to apply a Bayesian approach to study the effect of a new reading program on children's reading comprehension. Describe the specific steps this researcher must take to implement a Bayesian statistical analysis from the start to the end of their study.
Question: A developmental psychologist wants to apply a Bayesian approach to study the effect of a new reading program on children's reading comprehension. Describe the specific steps this researcher must take to implement a Bayesian statistical analysis from the start to the end of their study.
Sample answer: First, before conducting the study, the psychologist must specify the prior probability that the null hypothesis and alternative hypotheses are true. Second, the psychologist conducts the study and collects data. Finally, the psychologist updates the probabilities of the hypotheses based on the newly collected data to quantify uncertainty using probability distributions.
Key points:
- Specify the prior probability that the null and alternative hypotheses are true before conducting the study.
- Conduct the study and collect the data.
- Update the probabilities based on the newly collected data.
- Quantify uncertainty using probability distributions.
Feedback: The answer should describe the correct application of the Bayesian steps: specifying prior probabilities for the null and alternative hypotheses before the study, conducting the study to collect data, and updating the probabilities based on the new data to quantify uncertainty using probability distributions.
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Research Methods in Psychology - 4th American Edition @ KPU
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