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- Title
COLLEGE STUDENTS' INTERPRETATION OF RESEARCH REPORTS ON GROUP DIFFERENCES: THE TALL-TALE EFFECT.
- Authors
HOGAN, THOMAS P.; ZABOSKI, BRIAN A.; PERRY, TIFFANY R.
- Abstract
How does the student untrained in advanced statistics interpret results of research that reports a group difference? In two studies, statistically untrained college students were presented with abstracts or professional associations' reports and asked for estimates of scores obtained by the original participants in the studies. These estimates were converted to inferred effect sizes and compared with the actual effect sizes. Inferred effect sizes substantially overestimated actual effect sizes for all reports, a phenomenon dubbed the tall-tale effect. The effect was obtained with a variety of reports and statistics. The tall-tale effect could be controlled somewhat with simple changes in wording. This finding suggests a program of research which would better calibrate inferences with those actually obtained in the research.
- Subjects
COLLEGE student attitudes; STATISTICS education; STATISTICS teachers; PROFESSIONAL associations; MATHEMATICS education
- Publication
Statistics Education Research Journal, 2015, Vol 14, Issue 1, p90
- ISSN
1570-1824
- Publication type
Article
- DOI
10.52041/serj.v14i1.270