Which of the following is true?
a) small sample sizes are encouraged for studies that may lead to serious consequences if results are incorrect
b) larger samples are recommended when studying homogeneous populations
c) larger sample sizes are recommended when studying heterogeneous populations
d) small sample sizes are recommended when studying heterogeneous populations
Ans: c) larger sample sizes are recommended when studying heterogeneous populations
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One principle that guides the demonstration of test validity is that . . .
a. The test’s face validity is not different from its content validity b. The test’s concurrent validity is measured separately from its criterion validity c. The test’s convergent validity and discriminant validity are not different d. Groups that are expected to differ on the attribute being measured differ in fact on that attribute
What is cocaine still used for medically?
A. It is prescribed for weight loss. B. It is used as a local anesthetic for nasal, laryngeal, and esophageal surgeries. C. It is used as a local anesthetic for dental surgeries. D. Cocaine has no medical uses currently.
Declarative memory can be divided into semantic memory and episodic memory
Indicate whether the statement is true or false.
The _____ publishes a manual providing a diagnostic system for describing and classifying psychological disorders
a) United States Government b) World Health Organization c) American Psychiatric Association d) American Medical Association