Barrons AP Psychology 7th edition

(Marvins-Underground-K-12) #1

  1. (B) Matt’s research design is best classified as an ex-post facto study. In an ex-post facto study,
    what the researcher conceives of as the independent variable has already been predetermined.
    Student gender is predetermined; Matt cannot randomly assign students to be either girls or boys;
    hence, the study is an ex-post facto study. Random assignment of participants is required in an
    experiment. A case study looks closely at only one or a small group of people. Naturalistic
    observation uses unobtrusive observation rather than a survey. A content analysis studies the
    coverage of various topics in a communications medium (e.g., television, textbooks).

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