One of the most common reasons that children are referred for mental health services in the United States is
A. ADHD.
B. autism.
C. pervasive developmental disorder.
D. stuttering.
Answer: A
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Which of the following accurately describes the chi-square test for independence?
a. It is similar to a single-sample t test because it uses one sample to test a hypothesis about one population. b. It is similar to a correlation because it uses one sample to evaluate the relationship between two variables. c. It is similar to an independent-measures t test because it uses separate samples to evaluate the difference between separate populations. d. It is similar to both a correlation and an independent-measures t test because it can be used to evaluate a relationship between variables or a difference between populations.
Which of the following is true regarding the ways that drugs affect neurotransmitters?
A. A drug that is an agonist occupies the receptor sites, blocking the neurotransmitter. B. A drug that is an antagonist helps increase the release of the neurotransmitter. C. Both a and b D. Neither a nor b
Which of the following statements is true regarding research methods?
a. Qualitative data is considered unscientific among most researchers in the field of psychology. b. The strength of the case study approach is the ability to generalize the findings. c. The ethnographic method allows the researcher to learn how people behave in their daily lives. d. The most commonly used method in social science research is the open-ended interview.
Neo-Piagetians believe that
A. there should be at least seven stages of cognitive development, rather than only four. B. Piaget's stage theory places too much importance on assimilation and accommodation. C. more emphasis should be placed on how children use attention, memory, and strategies. D. further details should be sought about how children learn to solve conservation problems.