Who argued that a scientific approach to development must focus only on observable behavior?
A. Freud
B. Erikson
C. Watson
D. Skinner
Answer: C
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Does the birth of a sibling have an impact on existing children in the family?
a. No, it usually does not. b. Yes, but the effects are almost always positive. c. No, unless there is more than one sibling already in the family. d. Yes, in both positive and negative ways.
Which statement best illustrates the adaptation-level theory of happiness? a. People who lose a limb are just as happy with their lives 10 years later as people who do not have accidents. b. Individuals who win $1 million in the lottery tend to express greater happiness than individuals who win lessmoney than that
c. Tourists who leave cold climates for vacations in the sun report greater happiness during their trip than they dobefore they depart. d. College transfer students usually show an increase in life satisfaction in their first semester at their newschool.
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. control C. placebos D. placebo
Which receptors are responsible for the perception of color?
a. cones only b. rods only c. both rods and cones d. horizontal and amacrine cells