Causal hypotheses can only be tested when the researcher has the ability to ____ the main variables of the study

a. ?predict or assess
b. ?control or manipulate
c. ?identify or understand
d. ?estimate or measure


ANSWER:
b

Psychology

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In sampling notation, N refers to the ____

a. number of cases in the sampling frame b. number of cases in the sample c. number of possible subsets d. sampling fraction

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Programmed learning can be effective in book form or in

a. a fixed ratio or fixed interval form. b. a computerized form. c. a latent or insight learning format. d. all of these.

Psychology

What ethical considerations must researchers make when determining a study of child development?

What will be an ideal response?

Psychology

On average, African American women earn approximately ___________ for every dollar that men earn

a. 65 cents c. 50 cents b. 77 cents d. 1 dollar

Psychology