Sometimes it is difficult to generalize the results of a study to the population because of the _____
a. diffusion of treatment problem
b. college sophomore problem
c. regression to the mean problem
d. mortality problem
b
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Many children who are deaf, who are born to hearing parents, invent their own signs when they are not instructed in formal sign language. This is known as _____
Fill in the blank with correct word
A statistical procedure used to determine whether the frequencies observed at the combination of levels of two categorical variables are similar to the expected frequencies is called the รท2 ______.
A. goodness-of-fit test B. test for independence C. analysis of variance D. correlation coefficient
_____ would likely have his patients compete an ABCDE chart, whereas _____ would likely have his patients complete a dysfunctional thought record.
A. George Harris, Martin Seligman B. Albert Ellis, Aaron Beck C. Martin Seligman, George Harris D. Aaron Beck, Albert Ellis
Which statement about the judicial system and child maltreatment is true?
A. Fewer cases of child maltreatment currently reach the courts than in decades past. B. Child maltreatment is a crime that is relatively easy to prove. C. In the United States, government intervention into family life is viewed as a last resort. D. In the past several decades, little progress has been made in understanding and preventing child maltreatment.