In the past, the classic model of drug addiction was used to explain why some users took drugs compulsively and abusively. More recently, drug researchers have used the dependence-reinforcement model to explain ongoing, abusive, compulsive drug abuse. How are these two models different, what phenomena do they help explain, which drug is each of them most relevant to, and why is the latter model a more powerful explanation for drug abuse?

What will be an ideal response?


Answers will vary.

Social Work & Human Services

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A variable that is hypothesized to vary depending on the influence of another variable is called a(n):

a. Control variable b. Dependent variable c. Independent variable d. Dichotomous variable e. Extraneous variable

Social Work & Human Services

SELECT ALL THAT APPLY. In the table below, the cross-tabulation table contains frequency tables for ______ and ______. Cross-tabulation: Abortion if Woman Wants for any Reason × Political Party Affiliation × Respondent’s Sex


A. political party
B. abortion by political party for males
C. abortion by political party for females
D. females

Social Work & Human Services

without relatives capable of supporting their needs. Boys typically served as apprentices and girls provided domestic assistance

What will be an ideal response?

Social Work & Human Services

All of the following caveats are related to using PFP EXCEPT:

A) PFP may be flexible enough to respond to important changes B) Serious measurement problems can affect PFP systems. C) If PFP becomes a primary motivator, it could subvert other important organizational values. D) There is a natural tendency for staff to overrate themselves and then feel upset when they are not evaluated in the highest category.

Social Work & Human Services