_______ research studies the same groups of participants over time.
A. archival
B. correlational
C. cross-sectional
D. longitudinal
Ans: D. longitudinal
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Research seems to show that expressed emotion tends to be more common in Western than in non-Western or developing countries. What aspect of schizophrenia has this observation been used to explain?
a. less severe long-term outcomes in developing countries b. differences in the content of delusions from culture to culture c. differences in the types of symptoms commonly seen in various cultures d. more positive response to drug treatments of schizophrenia in developing countries
A 5- study carried out by Sénéchal and LeFevre found that shared, or interactive, storybook reading with preschool children at home was positively related to the development of which of the following?
a. first-grade reading skills b. alphabet knowledge b. invented spelling c. third-grade reading levels
Which of the following is not a type of quasi-experimental design?
a. non-equivalent control group posttest only design b. correlated-groups design c. multiple-group time-series design d. non-equivalent control group pretest-posttest design
Among the primary risk factors for stroke are
A. low blood pressure and sodium insufficiency. B. sleep deprivation. C. obesity and the use of alcohol, tobacco, and other drugs. D. unusually low cholesterol levels.