You are working in the student placement office when Dr. Heath comes to find a student research assistant. She tells you that she needs a really creative student to assist with the design of her latest project. She asks if the student files show each student's IQ score, because she wants to use that information to make her decision. Based on what is known about creativity and intelligence, you
should:
a. tell Dr. Heath that a student's grade point average will provide a more accurate measure of his or her creativity
b. pull the files for all students with IQ scores greater than 130, because there is a strong positive correlation between IQ score and level of creativity
c. explain that IQ scores and creativity actually have a negative correlation, so she should avoid hiring a student with a high IQ score
d. tell Dr. Heath that creativity is only weakly related to intelligence, and IQ score cannot be used to accurately predict a student's overall level of creativity
D
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Which of the following would make you believe that you have two independent groups?
a. Subjects were assigned to groups at random as they arrived for testing. b. There are 25 subjects in Group 1 and 45 subjects in Group 2. c. Every subject supplies one score. d. All of the above.
Which of the following is not one of the assumptions of the t-test for independent samples?
a. The populations of raw scores form normal distributions. b. Their dependent scores measure an interval/ratio variable. c. There is homogeneity of variance. d. The standard deviation of at least one of the populations is known.
How many stages did Ku?bler-Ross identify among terminally ill patients who knew they were going to die?
A. two B. five C. seven D. ten
For a repeated-measures study comparing three treatment conditions with a sample of n = 4 participants, the participant totals (the P values) are 3, 6, 9, and 6. What is the value for SSbetween subjects?
A) 2? B) ?3 C) ?6 D) ?10