According to the article It All Adds Up about ethnic differences in school performance, if parts of three valid scales are taken and used to make up a new measurement scale, the new scale:
(a) will be three times as valid as the originals
(b) will only be as valid as one of the original scales
(c) may or may not retain any of the original validity of the scales
(d) will certainly not be valid
C
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Which disorder is slightly more common among people born in winter?
a. Panic disorder b. Schizophrenia c. Major depression d. Substance abuse
From the behavioral perspective, organisms that are reinforced for aggressive behavior are more likely to behave aggressively in situations similar to those in which reinforcement occurs
Indicate whether the statement is true or false
What are our understandings of other people called?
A. person perceptions B. self-fulfilling prophecy C. expectancy effect D. a central trait
As experimental control increases:
a. external validity decreases. b. external validity increases. c. the more relevant the study to real-world problems. d. we become less able to rule out alternative hypotheses.