According to the APA's Clinical Psychology Task Force on Promotion and Dissemination of Psychological Procedures, in order for a psychosocial intervention to be considered for inclusion in the list of empirically supported treatments, it has to meet which of the following criteria when there have been at least two good between-group design experiments?
A. superior to pill or psychological placebo or to another treatment
B. equivalent to an already established treatment in experiments with adequate statistical power
C. a history of at least ten years of implementation by practitioners
D. both a and b
Answer: D
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I collected some data about how much buyers of my book liked it (on a scale of 1 = it’s utter rubbish to 10 = I never read anything else). I ended up with a sample of 15,467 people. When I looked at the distribution, I found a skew of 1.23 (SE = 0.65). The mean rating was 4.78. What is the z-score for the skew of my data?
A. 1.89 B. 0.53 C. –3.92 D. 3.36
The effect of the home, school, and community settings on young children is
A) about equal for all 3 settings. B) quite minimal for all 3 settings. C) determined by family economic status. D) determined by the age of the child.
One of the purposes of Public Law 94-142 was to
A) ?require states to assume full financial responsibility for students who are handicapped. B) ?guarantee special education services for school-age children and youths. C) ?provide an impetus for the deinstitutionalization movement. D) ?promote the provision of services to children from birth to age 5 years.
Answer the following statement(s) true (T) or false (F)
1. A confidence interval is defined as a range of values likely containing a known population parameter. 2. To be useful, a confidence interval must have a desired level of confidence less than 100%. 3. The larger the sample size, the wider the confidence interval for the mean. 4. A confidence level of 99% has a higher probability of containing the population mean than does a 95% confidence interval. 5. The higher the desired level of confidence, the larger the confidence interval.