Exam 8: Conceptualization in Quantitative and Qualitative Inquiry

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.

A questionnaire contained the item "educational level completed" and responses of grade school,junior high school,high school,college,graduate degree,other.A researcher asked subjects to check the appropriate response.The researcher is using this question to measure

Researchers who operationally define the severity of substance abuse as a total score on a scale with multiple questions asking research participants to indicate how often they use various types of substances are using what source of data for their operational definition?

Which of the following statements is true about the qualitative perspective on operational definitions?

The real and observable things that give evidence of the presence or absence of the concept being studied are called:

Extraneous variables are variables that are irrelevant to a particular study.

Illustrate how a child's level of behavioral problems could be operationally defined in three different ways using three different sources of data.

A nominal definition