To establish concurrent validity, a researcher must include which of the following in a survey that includes a new index of depression?
a. A system for weighting responses
b. Multiple forms of the same index
c. A previously validated measure of depression
d. Single items and matrix questions
e. Open-ended questions that ask for details about responses
c. A previously validated measure of depression
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Which of the following media assertions about the use of crack cocaine in the 1980s was later verified by scientific research?
A. Crack has now infected every group and community in the country. B. Crack is as common in the middle-class suburbs as it is in the ghetto and the urban slum. C. The use of crack immediately hurls the user into an inferno of craving and despair. D. Try it once and you're hooked! Once you start, you can't stop! E. none of the above.
The war on drugs has increased incarceration. Which policy may help to slow this trend?
A) Record expungement for marijuana related offenses B) Decriminalization of the use and distribution of marijuana C) Providing licenses for medical marijuana dispensaries D) Creation of community drug turn-in centers
Invasion is the replacement of the original occupants of a community or
neighborhood by new groups.
Indicate whether the statement is true or false.______ said that relationship problems usually involve triangles
a. Murray Bowen b. Don Jackson c. Gregory Bateson d. All of the above