Attenders Versus Slackers: A Classroom Demonstration of Quasi-Experimentation and Self-Selecting Samples

Research output: Contribution to journalReview article

Abstract

Studies of the effects of class attendance on class performance typically are quasi-experimental because students choose whether or not to attend class; that is, the samples are self-selecting. The lack of random assignment prevents one from establishing a causal relationship between attendance and performance. Relating attendance to performance using the students in a research methods class, regardless of whether the data show a significant relationship, can serve as the basis of a discussion of quasi experiments and the alternative explanations that are inherent in their design. This article gives suggestions for presenting and discussing the data.

Original languageEnglish (US)
Pages (from-to)238-241
Number of pages4
JournalTeaching of Psychology
Volume40
Issue number3
DOIs
StatePublished - Jul 2013

Keywords

  • class attendance
  • quasi experiments
  • research methods

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