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. which test was dr. jameson most likely to use to test his hypothesis? a. paired-samples t testb. independent-samples t testc. z testd. single-samples t test