The symbol s represents the standard deviation for _____
a. a sample
b. the unbiased estimator of the population standard deviation
c. a population
d. none of the above
b
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You are a harried fourth-grade teacher with a number of students who have academic, emotional, or behavioral problems that interfere with their learning and disrupt the class. You are visited in a dream by the spirit of Emory Cowen, who tells you about his work with the Primary Mental Health Project in schools. Which statement below is most likely Cowen's?
a. Crisis intervention and brief professional counseling is what these students need. b. Most of these students need in-depth psychotherapy. c. Adults working as "child associates" in your class can really help your students. d. These students require special education classes.
An anthropologist has finished a thorough investigation of a relatively isolated culture in which individuals assume adult roles at age 10. What comment might a developmental psychologist make after hearing the anthropologist's report?
a) Puberty and adolescence occur simultaneously in this culture. b) Puberty occurs earlier in this culture than in most cultures and sets the stage for adolescence. c) This culture does not appear to acknowledge puberty, but does use the concept of adolescence. d) Individuals in this culture do not appear to experience adolescence, but they do experience puberty.
There is a strong negative association between Alzheimer's risk and ____
a. family income b. number of siblings c. educational level d. weight
Which of the following brain regions has NOT been implicated in awareness?
a. Posterior parietal lobe b. Prefrontal cortex c. Amygdala d. All of the above