A Table for the Determination of Experimentwise Error Rate (Alpha) From Independent Comparisons
- 1 December 1976
- journal article
- research article
- Published by SAGE Publications in Educational and Psychological Measurement
- Vol. 36 (4) , 899-903
- https://doi.org/10.1177/001316447603600412
Abstract
When a series of statistical tests are employed in the same experiment, the researcher is obligated to consider the error rate (probability of making a type I error) in terms of the experiment, not merely in terms of each comparison. A table is provided for the rapid determination of experimentwise alpha level when a number of independent statistical tests are employed in the same experiment. Suggested applications and the rationale for this procedure are supplied.Keywords
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