The Central Features of the Classical Experiment Are Variables, Time

question 1

Multiple Choice

The central features of the classical experiment are variables, time order, measures, and groups. Like much of the vocabulary of research, the word experiment has acquired both a general and a specialized meaning. According to David Farrington, Lloyd Ohlin, and James Q. Wilson "the defining feature of an experiment lies in the control of the ______ by the experimenter."

• A) interval measures
• B) nominal measures
• C) dependent variable
• D) independent variable

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