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A researcher is interested in examining whether students who distribute practice over a number of short study sessions differ in their test performance from students who mass practice over a single long session. Her prediction that students who distribute practice will perform better than students who mass practice is the a. Research hypothesis b. Experimental hypothesis c. Null hypothesis d. Alternative hypothesis

Answer :

In the test made, her prediction that students who distribute practice will perform better than students who mass practice is the alternative hypothesis, option d.

At the null hypothesis, we test if the predictions is false, that is, that students who distribute practice will not perform better than students who mass practice.

At the alternative hypothesis, it is where we test if there is enough evidence to conclude if the prediction is right, that is, if students who distribute practice will perform better than students who mass practice, hence, option d is correct.

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