One disadvantage that results from the use of operational definitions is that
A. the reliability and validity of the operational definition become equivalent.
B. the number of psychological constructs becomes smaller.
C. communication among scientists becomes confused.
D. a potentially limitless number of operational definitions exists for any construct.
D. a potentially limitless number of operational definitions exists for any construct.
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Frequently, people call a psychologist for assistance after "deciding for themselves" that they need help. People would be MOST likely to use which two of the commonly used criteria for psychological disorders when deciding to seek treatment?
a. personal distress and deviance b. maladaptive behavior and personal distress c. cognitive confusion and maladaptive behavior d. deviance and cognitive confusion
Fill in the missing words using the options given. Methodological problems exist within many RCTs that compare NRT to (2) ______. This is because smokers in the (3) ______ condition can detect that they are not receiving any (4) ______ (Mooney, White, & Hatsukami, 2004; Polito, 2008). Dar, Stronguin and Etter (2005) found that (5) ______ group members were 3.3 times more likely to correctly guess that they had received placebo than to incorrectly guess that they had received nicotine (54.5% v. 16.4%). If the trials in a RCT are not (6) ______, the findings give a misleading picture of treatment effectiveness. Which word is a best fit?
A. nicotine B. double blind C. placebos D. placebo
Perpetrators of homicide are most likely to be
a. Black males. c. Black females. b. White males. d. White females.
Which of the following is a cultural factor that could influence a child learning to crawl before they walk?
a. wearing the child in a sling or other device for a large portion of the day b. children eating healthy foods c. living in a home or a hut d. grandparents caring for the child instead of parents