Carlos and Theresa each conducted two separate but similar studies. They each had similar experimental design, similar sample sizes, similar effect sizes and the same alpha cutoff (0.05) for statistical significance. However, Theresa got a p-value of 0.01 for NHST whereas Carlos got a p-value of 0.055, which made Carlos' study not statistically significant. The two classmates were perplexed by these results. What would be your diagnosis for why Carlos' result may not be statistically significant? Select all that apply. a. Carlos did not perform the statistical analysis carefully b. The power of this study was low c. One of their results could be a false positive or a false negative d. Theresa is hiding something
Carlos and Theresa each conducted two separate but similar studies. They each had similar experimental design, similar sample sizes, similar effect sizes and the same alpha cutoff (0.05) for statistical significance. However, Theresa got a p-value of 0.01 for NHST whereas Carlos got a p-value of 0.055, which made Carlos' study not statistically significant. The two classmates were perplexed by these results. What would be your diagnosis for why Carlos' result may not be statistically significant? Select all that apply.
a.
Carlos did not perform the statistical analysis carefully
b.
The power of this study was low
c.
One of their results could be a false positive or a false negative
d.
Theresa is hiding something
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