If there is an interaction between two independent variables there has to also be at least one main effect
Indicate whether the statement is true or false
False
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Cattell used the statistical procedure called factor analysis, which involves assessing the relationship between each possible pair of measurements taken from a group of research participants to determine common factors
Indicate whether the statement is true or false.
One unusual feature of the withdrawal symptoms from benzodiazepines is that __________
a. they include heavy sleeping b. they may not appear for several days after quitting c. they can be suppressed by cocaine d. none of these; there are no withdrawal symptoms from benzodiazepines
In a between-subjects design, large individual differences can produce ____
a. large between-treatment differences, making it easier to see real treatment effects b. small within-treatment variance, making it easier to see real treatment effects c. large within-treatment variance, making it difficult to see real treatment effects d. small between-treatment difference, making it difficult to see real treatment effects
The range for the scores 10, 11, 12, 14, 16, 16, 16, 18, 19, 20 is _____
a. 11 b. 10 c. 16 d. 5