A longitudinal study (Zimmerman et al., 1997) found that the largest percentage (48%) of adolescents in grades 6 to 10 had self-esteem that was
a. moderate and rising.
b. consistently high.
c. low and decreasing.
d. high to low.
Answer: b. consistently high.
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Research has found that all of the following personality characteristics contribute to unstable marriages EXCEPT
A) being unconventional. B) being prone to negative moods. C) having poor impulse control. D) being introverted.
Why might our informal observations of social life lead us to wrong conclusions?
a. our experiences are not representative of everyone b. sometimes we are biased and misinterpret what happens c. sometimes we remember things incorrectly d. all of the above
All of the following are common misconceptions about addiction, except the statement that
A) to overcome an addiction a person almost always needs professional therapy B) psychoactive and medicinal drugs very quickly lead to addiction C) biological factors place some individuals at increased risk of addiction D) many other repetitive, pleasure seeking behaviors fit the drug-addiction-as-disease-needing-treatment model
A confidence interval
a. provides the strength of an effect. b. contains predicted outcome values for 95% of the population. c. is calculated using one-tailed z-values. d. is based on Cohen's d.