John is participating in an intrasubject research study and he is concerned about whether or not his behavioral intervention will produce new behaviors that will be appropriate for his day-to-day functioning
John appears to be concerned about the __________ of the study.
a. cost-benefit ratio
b. statistical significance
c. social validity
d. durability
c
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Many experts view the increase in suicide among older adults as not only a consequence of emotional problems, but also as a result of
a. loneliness after the loss of a spouse. b. chronic pain, disease, or long-term illness. c. anger caused by ageism. d. depression and anxiety.
Pollack and Pickett's experiment on understanding speech found that when participants were presented with individual words taken out of conversations (single words presented alone with no context), they could identify
A. 100 percent of the words spoken by their own voices. B. 50 percent of the words spoken by their own voices. C. 50 percent of the words spoken by others with an accent similar to theirs. D. none of the words spoken by others.
Changes in heart rate and blood pressure in response to stress is referred to as:
a. a coronary episode c. cardiovascular reactivity b. cardiovascular response d. cardiovascular metabolism
A researcher records the amount of light it takes to detect a small visual stimulus in a dark room. Luminance is the variable being measured and may be thought of here as physical energy. What level of measurement is most likely involved in making this observation?
a. nominal b. ordinal c. interval d. ratio