The correlation coefficient is a measure of
a. central tendency.
b. the amount of variability in a data set.
c. the degree of relationship between two variables.
d. the difference between the largest and smallest scores in a data set.
C
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A 2½-year-old child is told to "find a toy in the same place in the big room where you see the little toy in the little room.". The child fails to find it, unless we change the instructions as follows: a. Study the little room carefully and think of it as a map of the bigger room. b. Imagine that the toy in the bigger room is calling your name
c. I blew up the little room to a bigger room. Go find the toy. d. If you were a toy, where would you hide in the bigger room?
Dr. Fuller needs a really creative student to assist with the design of a new research project. She's asked to see the IQ scores of a number of students so she can use the scores to choose her new research assistant. What does Dr. Fuller need to know before making her decision?
a. Scores on some IQ tests are more related to creativity than others. b. Creativity is related to intelligence, but only weakly. c. Grade point averages would be just as good a predictor of creativity and probably easier to obtain. d. There is no relationship at all between intelligence and creativity.
Which of the following is not one of the five factors that influence eyewitness accuracy in lineup identifications?
a. lineup format b. lineup construction c. lineup instructions d. lineup lighting
The term radius of significant others refers to
a. a geometric pattern illustrating the life stages and psychosocial crisis. b. a process for resolving a psychosocial crisis. c. the tension between individual development and societal pressures. d. a network of relationships important to an individual.