Gerald is developing a measure of shyness and he determines that students scoring high on the measure also score high for introversion on a well-known introversion-extraversion scale. The outcome best illustrates
a. face validity.
b. concurrent validity.
c. predictive validity.
d. discriminant validity.
Question 2
Which of the following is NOT a defining characteristic of a psychological experiment?
a. it involves objective observation
b. variables are manipulated in a highly controlled environment
c. it always takes place in a laboratory
d. one or more factors are varied while the rest are held constant
Using a sphygmomanometer to measure blood pressure.
Use of the tympanic thermometer to measure body temperature.
Risks of infectious disease increase in (a) high-density agricultural populations compared to (b) lo
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