Pts a researcher wants to statistically test whether

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2 / 2 ptsA researcher wants to statistically test whether gender and political affiliation affects IQ scores. Which test should the researcher use?<br>A researcher wants to statistically test whether gender and political affiliation affects IQ scores. Which test should the researcher use?
Question 17Correct!2 / 2 ptsSkip to question text.
there were no differences in IQ scores between men and women in his study. What is the dependent variable in this study?
Question 18Incorrect0 / 2 ptsSkip to question text.Martin is interested in the effects of different kinds of instruction on videogame performance. Martin obtains 30 college freshmen and has each of them plays 1 hour of Ratchet and Klank. Participants are randomly assigned to one of three instruction groups: (1) complete the tasks as quickly as possible, (2) conserve as much health as possible (i.e., play more carefully), or (3) find gold bolts (worth lots of money in equipment and ammunition). Obviously, even in a single instruction group, not all players will obtain the same final score. These differences in an instruction group reflect:
Question 19Incorrect0 / 2 pts<p>In an independent-samples t test, how is the research hypothesis symbolized?</p>In an independent-samples t test, how is the research hypothesis symbolized?H0 = µ1 µ2H0 = µ1 = µ2
Question 20Incorrect0 / 2 ptsSkip to question text.Dr. Jameson wanted to know if IQ scores differed between male and female participants in his study. He gave 28 participants an IQ test and then compared IQ scores for gender differences. He hypothesized that there would be a statistically significant gender difference in IQ scores. Contrary to Dr. Jameson's hypothesis, there were no differences in IQ scores between men and women in his study. From the results of the study, Dr. Jameson must ________ the null hypothesis and ________ the research hypothesis.

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