Suppose you wanted to make sure that each of the levels of your independent variable were equally represented within a given number of trials. In this case you could randomize within blocks
Indicate whether the statement is true or false
True
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It was found that when they were in their 40s, _____ of the Camberwell Cohort lived with their families
a. 25% b. 50% c. 75% d. 100%
Elena’s brother was diagnosed with schizophrenia when he was in his twenties. Sometimes he reports that his neighbors are trying to control his behavior through the television set. Which part of the brain shows excess activity during such delusions of control?
a. ?the right hemisphere b. ?the amygdala c. ?the left hemisphere d. ?the hippocampus
Answer the following statements true (T) or false (F)
1 External validity means an experiment defines operational variables in a normal, typical, or realistic way 2 Experimental psychologists seeking to determine cause-and-effect relations between variables tend to view external validity as more important than internal validity 3 A sample taken from a population is signified by a lowercase n 4 In the case method, only one individual is studied 5 Random assignment to groups is common when using the case method
Braun and Geiselhart found that eyelid conditioning generally proceeded slowly with _______
a. infants b. children c. young adults d. older adults