Research on nutrition indicates that __________
A) the percentage of children who eat dinner with their families increases slightly between ages 9 and 14
B) eating dinner with parents leads to a diet higher in fast foods and soft drinks than eating alone
C) mild nutritional deficits rarely affect growth or cognitive functioning in middle childhood
D) insufficient dietary iron and folate are related to poorer concentration and mental test performance
Answer: D
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The technique of compiling a description of an individual's problematic behavior that brings together relevant aspects of the person's history and present situation is called a(n):
a. multiple time series design. b. case study. c. experimental single-subject design. d. pretest-posttest design.
What is likely the reason that cigarette-smoking rates are lower among adolescents in the United States and Canada than they are among adolescents in Europe?
The cost of cigarettes in the United States and Canada is six times higher than the cost of cigarettes in Europe, so American and Canadian adolescents simply can't afford them. || Tobacco grown in the United States is not as addictive as tobacco grown in Europe, so fewer adolescents get hooked on smoking. || Because of strict laws, cigarettes are virtually impossible for adolescents in the United States to get, whereas in Europe they are given to adolescents freely. || Governments in the United States and Canada have waged large-scale public health campaigns against smoking, whereas European countries have not. || || ||
Even though Jacob, a 10-year-old, is a competitive swimmer, he still needs adult supervision when he swims. In particular, he may
A) lack the cognitive maturity to make sound judgments about how safe it is to swim. B) be embarrassed to call for help when he needs it. C) use swimming as a way to avoid doing homework. D) prefer swimming in safe and shallow water.
Delusions of _____ are the most common type of delusions in schizophrenia.
A. grandeur B. persecution C. reference D. paranoia