A study tests the hypothesis that the provision of social work intervention will reduce the school dropout rate. It finds that social work intervention reduces the dropout rate only of children whose families are experiencing high levels of family stress. In this study, what type of variable is level of family stress?
A) independent variable.
B) dependent variable.
C) moderating variable.
D) It could be an independent or dependent variable; it depends on whether it is stated first or second in the hypothesis.
Which of the following statements, as currently stated and without the need for rewording, comes closest to being a useful hypothesis?
A) The provision of case management services reduces the number of days spent in institutions.
B) The provision of case management services should be increased.
C) The number of days spent in institutions can be decreased.
D) The greater the number of days spent in institutions, the fewer the number of days spent outside of institutions.
Examining police records of the number of arrests for domestic violence is an example of the use of self-report as a source of data for an operational definition.
Indicate whether the statement is true or false
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