You are interested in oddness research. You read a paper that claims that study

Question

You are interested in oddness research. You read a paper that claims that study participants who were assigned an odd ID number will more readily admit to reading the horoscope. The rationale is that activating the concept of "oddness" leads people to behave in nontraditional way. The study reports a significant difference in horoscope reading between the group of participants with odd and even IDs. The alpha level is 0.05, power was 0.2 and - given that this is all a bit far-fetched - the ratio of true to false effects in oddness research is 0.1. What is the probability that the reported effect is real?

A. 0.1

B. 0.2

C. 0.15

D. 0.29

E. 0.05

Explanation / Answer

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What ever option D (0.29) is the answer. Image shows error, i will upload later

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