Suppose you drew a random sample from a population where the mean is 100 . The standard error of the sampling distribution is 10 . The mean for your sample is 110 . What could you conclude about your sample?
a. The sample mean does not occur very often by chance in the sampling distribution of means and probably did not come from the given population.
b. The sample mean occurs quite often by chance in the sampling distribution of means and probably did not come from the given population.
c. The sample mean does not occur very often by chance in the sampling distribution of means but probably did come from the given population.
d. The sample mean occurs very often by chance in the sampling distribution of means and probably did come from the given population.
D
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Which of the following is not an additional criterion for a diagnosis of ADHD? a. Symptoms must appear prior to age 12
b. Symptoms must be present for at least 6 months. c. Symptoms must occur in more than one setting. d. Symptoms must produce significant impairments in the child's social or academic performance.
When assessed in Ainsworth's "strange situation," about 65 percent of North American one-year-olds show __________ attachment
a. avoidant b. secure c. resistant d. disorganized/disoriented
Which psychological construct does the MMPI–2–RF NOT measure?
A) clinical B) somatic C) projecting D) interpersonal
Janie is a preschooler who is learning to put together puzzles. Which circumstance will enhance her mastery of this skill, according to research on the zone of proximal development and scaffolding?
a. If an older peer babysits her and works on the puzzles with her b. If her big sister is available to work with her on puzzles c. If she has a twin who can do the puzzles with her and they learn together d. If she works on the puzzles alone