In a normal distribution, what percent of test takers will score between the mean and one standard deviation above the mean?
a. 2.1%
b. 13.6%
c. 34.1%
d. 50%
c. 34.1%
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If the relationship between a scale's measured units and some outcome can be described by a straight line or linear equation, the scale is said to have a. predictive validity. b. magnitude
c. linear significance. d. equal intervals.
Bailey, a boy who displays a mild intellectual disability, is struggling with a word problem about a car driving from one point to another. The problem is illustrated with a diagram of the car's route. Which of the following is the most likely reason for Bailey's difficulty with the problem??
a. ?Bailey is confused by the diagram. b. ?Bailey cannot keep all the facts in his short-term memory long enough to figure out the problem. c. ?Bailey does not know how to generalize the strategies he has learned for solving this kind of math problem to the particular problem before him. d. ?Bailey, like most children with mild intellectual disabilities, has poor iconic memory.
When anxiety or severe emotional conflicts are transformed into physical symptoms resembling disease or disability, a rare somatoform disorder occurs known as
a. traumatic neurosis. b. a psychosomatic illness. c. a dissociative fugue state. d. a conversion disorder.
Girls normally begin menstruating around age 11 to 16, toward the lower end of this range under healthy conditions and toward the higher end when nutrition is insufficient. This is an example of ____________
a. a high concordance rate b. a low concordance rate c. epigenesis d. heritability