Which consideration is most relevant to ensuring that any differences one obtains after the experimental manipulation of a study have been produced only by that manipulation?
a. Statistical interactions
b. External validity
c. Construct validity
d. Control over experimental procedures
d
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About how many inherited disorders can be tested for and identified prenatally?
A. around 450 B. slightly more than 500 C. just under 800 D. over 1,000
The goal of deinstitutionalization was to:
a. improve the training of mental health professionals b. test a new form of psychotherapy c. get patients back into the community d. reduce the amount of money spent on mental patients
Conservation of number is a concept Piaget did not expect children to grasp until age
2. 4. 6. 8.
Tina is 14 years old and having her first child and has a higher likelihood of a premature delivery because
a. she has an immature reproductive system. b. this is her first child. c. the father is also a teenager. d. she is having a single birth (rather than twins).