If, upon testing a hypothesis, the null hypothesis is rejected, what happens? a. The study design is revised until the null hypothesis can be accepted. b. The researcher can report that the test proved a difference exists between the comparison groups. c. The alternative hypothesis is accepted. d. The experiment is judged to be inconclusive. 2. Which factor should be considered in choosing a statistical test? a. The sample size. b. The population size. c. The amount of time taken to collect the data. d. The number of variables to be compared. 3. In an inferential statistical test, after rejecting the _____ hypothesis, you have found support for the _____ hypothesis. a. null, alternative b. alternative, experimental c. experimental, null d. alternative, research 4. 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. Null hypothesis b. Research hypothesis c. Experimental hypothesis d. Alternative hypothesis 5. Which of these is the hypothesis stating that there is not a meaningful difference between the groups or conditions under investigation? a. Alternative hypothesis b. Experimental hypothesis c. Null hypothesis d. R