Levene’s test can be used to measure:
A. Whether scores are normally distributed.
B. Whether scores are independent.
C. Whether group means are equal.
D. Whether group variances differ.
Answer: D
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Physical stimulation is necessary for children with severe visual impairments during critical periods of 2 to 3 months and again from 17 to 19 months to develop attachment behaviors
Indicate whether this statement is true or false.
What does independence of data mean?
A. That we must never collect two sets of data from one person B. That independent researchers must collect the data C. That scores from one participant are free from influences from other participants D. That scores in one condition are free from influences from other conditions
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A. collecting data from subjects in the same location. B. creating heterogeneous subgroups. C. ignoring the third variable. D. exposing each group to all treatments in a different order.