If researchers are interested in whether or not it is physically possible for a person to work with more than seven pieces of information in short-term memory, what rationale would the researchers give for not using random sampling?
A) Sometimes generality does not matter.
B) Sometimes generality cannot be determined.
C) Sometimes generality can be determined.
D) Sometimes generality is best determined by nonrandom sampling.
A) Sometimes generality does not matter.
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Children exhibiting higher rates of prosocial behavior tend to have parents who __________.
A. model empathy toward others B. punish the children for acts of aggression C. allow their children to freely express their emotions of anger or sympathy D. model prosocial behavior and coach their children in emotion regulation
Boys who mature early experience negative outcomes, whereas girls do not.
Answer the following statement true (T) or false (F)
In a study of Tutsi women who were pregnant during the genocide, compared with non-exposed mothers, mothers who witnessed the genocidal carnage had __________
A) higher PTSD and depression scores, but their children displayed weaker GR methylation B) substantially higher PTSD and depression scores, and their children displayed stronger GR methylation C) higher PTSD scores and lower depression scores, and their children did not show GR methylation D) similar PTSD and depression scores, but their children displayed stronger GR methylation
In a longitudinal study that followed a sample of American children from ages 4 to 11, increased TV watching predicted gains in __________.
A. body fat B. academic scores C. cognitive ability D. socioemotional maturity