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Two studies were conducted to examine the number of hours per week spent in Blackboard and...

Two studies were conducted to examine the number of hours per week spent in Blackboard and the final grade in a course. The significance (alpha) level was set to be .05 in both studies. Study 1 obtained a result of  r = .40, p = .03; Study 2 yielded a result of  r = .67, p = .051. Which of the following is an accurate comparison between the two studies?

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Both studies show a significant correlation of medium strength.

Study 2 showed a significant correlation but study 1 did not.

Study 1 showed a significant correlation but study 2 did not.

Study 1 showed a larger effect size than study 2.

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Answer #1

As we can see that the P-value p of study 1 is less than alpha = 0.05. This implis study 1 shows a significant correlation.

But in case of study 2 the P-value p is greater than alpha = 0.05. This implis study 2 shows a insignificant correlation.

So, the answer is Study 1 showed a significant correlation but study 2 did not.

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