Suppose a case management program is established to reduce rehospitalization rates in a hospital and that those rates drop dramatically once the new program is established. We can conclude that
a. research has demonstrated an effective approach to practice.
b. causality cannot be inferred because time order was not established.
c. another event occurring during the time of the study might explain away the change.
d. the absence of covariation threatens the internal validity of any causal inferences.
C
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Marcella wants to know how anxiety disorders and ethnicity are
related. She wants to ensure that her sample resembles the population. What type of sampling would Marcella need to use for her study? A. Systematic Random Sampling B. Stratified Random Sampling C. Cluster Random Sampling D. Snowball Sampling
Which of the following is often a limitation of using focus groups?
A) People won't talk in a natural setting like a focus group. B) People in focus groups do not comment on what others in the group said. C) People feel more empowered, especially marginalized groups in society. D) In focus groups everyone always comes to total agreement, there is no diversity of opinion. E) Focus groups produce fewer ideas than occur in individual interviews.
Medieval society was considered capitalistic?
Indicate whether the statement is true or false
Natalie Sundheimer presents with the following medical symptoms; dry, yellowish skin
and lanugo (baby fine downy hair on her trunk, face and extremities). In addition, her teeth appear “moth eaten” and she wears a heavy sweater despite the fact that it is a hot summer day. She is excessively fearful of being fat and weighs less that 80 percent of her normal body weight. These features most often accompany the following diagnosis:
a) Bulimia nervosa b) Binge eating disorder (BED) c) Other specified feeding or eating disorder d) Anorexia nervosa