A correlation based on a wide range of values of the variables involved is _____ likely to be significant, compared to one that is based on a smaller range of values
a. more c. equally
b. less d. not
A
One way to increase the likelihood of getting a significant correlation is to increase the range of values sampled.
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If, in a randomized ANOVA there are three groups with 10 subjects in each group, then the df for the F-ratio is equal to:
a. 30. b. 29. c. 2, 27. d. 2, 28.
In 1959, Campbell and Fiske designed a method for collecting evidence of reliability, convergent validity, and discriminant validity in one study. They called it the
a. Exploratory method of factor analysis b. Confirmatory method of factor analysis c. Discriminatory method d. Multi-trait multi-method design
What statement provides an explanation as to why the classification by subtype for schizophrenia is only moderately stable over the course of the illness because symptoms seem to shift from positive symptoms to negative symptoms
a) The changes may be associated with neurological impairment. b) The changes are associated in a build up of tolerance for the medication. c) The changes are a result in improvement in treatment technique. d) Deterioration in behavior is altered due to newer medications.
In class we watched a video about a broken toy study conducted in China and Canada. After observing this video we had an extended discussion about
a. how parents should handle situations where their young children intentionally break other children's toys (e.g., should parents use verbal explanations, time outs, or natural consequences methods, and whether these techniques are equally effective in each culture) b. the development of children's reasoning about forgiveness and how these notions are very different in China than in Canada (e.g., expectations about asking for forgiveness and the nature of the relation between forgiveness and compassion) c. which disciplinary practices should teachers use with their students (e.g., whether it is appropriate to scold children as a group for the actions of one particular individual) d. how one could create a comparable experimental situation in both countries (e.g., whether the room where the experiment is conducted should be the same and whether parents should act in the same way)