A major problem that remains in diagnosing personality disorders is:
a) Low reliability on retest.
b) Poor interrater reliability.
c) Unstructured diagnostic criteria.
d) Very low occurrence in the population for most of the disorders.
a
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Sherilyn takes MDMA. When she buys the drug at the local dance club, she asks for
a. bennies. b. crystal meth. c. Ecstasy. d. acid. e. crack.
Two interval/ratio variables are to _____ coefficient as one interval/ratio variable and one nominal variable are to _____ coefficient
a. Pearson product-moment correlation; Spearman rank-order correlation b. Spearman rank-order correlation; Pearson product-moment correlation c. phi; Spearman rank-order correlation d. Pearson product-moment correlation; point-biserial correlation
Which of the following increase(s) the power of the t test?
a. increasing N b. increasing the sample variance(s) c. increasing the effect of the independent variable d. all of these e. increasing N and increasing the effect of the independent variable
In a cross-sectional study, what is one problem with comparing working and non-working
adolescents on a variable, such as achievement or psychological functioning, at one time of measurement? What will be an ideal response?