A therapist believes that teaching anxious clients group interaction skills can lessen their anxiety. She gives an anxiety test, chooses the most anxious 10 percent of people, and then teaches them group interaction skills. On giving them a second anxiety test she discovers that their anxiety is significantly lower. If she concludes that the teaching has caused lessened anxiety she is ignoring ____ as a potential threat to internal validity.
A) selection
B) statistical regression
C) mortality
D) history
Question 2
I give a questionnaire to a group of people measuring their favorability toward nuclear power plants and then I send these people educational pamphlets informing them about nuclear power. Finally I again give them the original questionnaire to see if their favorability has changed. A possible threat to internal validity in this design is
A) mortality.
B) testing.
C) selection.
D) history.
Patient teaching: nail assessment
For ice massage, ice is frozen in a cylindrical container or a paper cup (A). The top half of the cu
Basic Food Group Choices for a 1,200 Calorie Eating Plan
Adults in the middle-aged group (37–42 years) score higher on measures of generativity than either ...
Massage Therapist, c. 1985.
Nuts are also a good source of B group vitamins (including folate), and vitamin E