A professor gives a special tutoring session to students who scored less than 60 percent on the first test. On the second test, their mean score rises to 70 percent. What conclusion can we draw, if any, and why?

a. The tutoring helped, as we see from the higher scores.
b. The tutoring helped, because without it those students would have been discouraged.
c. We should draw no conclusion, because there was no control group.
d. We should draw no conclusion, because the study had too many independent variables.


c

Psychology

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How do a man's sex chromosomes differ from a woman's sex chromosomes?

a. A man has two Ys, and a woman has two Xs b. A man has two Ys, and a woman has an X and a Y. c. A man has an X and a Y, and a woman has two Xs. d. A man has one sex chromosome and a woman has two.

Psychology

"I have lots of motivation to do something. I want to do something with my life, but I'm not sure what." This person shows ____ but lacks ____.

A. intensity towards a goal; direction B. goal-directed behavior; drive reduction C. energized behavior; direction D. instinct; incentive

Psychology

Explain beneficence and how it relates to research ethics

What will be an ideal response?

Psychology

Which of the following is correct with regard to high self-monitors?

a. they are more concerned with a person's social status b. they have little difficulty committing to romantic relationships c. they show greater marital satisfaction d. they tend to avoid well-defined social situations

Psychology