Graphical Methods for Investigating the Size and Power of Hypothesis Tests

Russell Davidson and James MacKinnon

The Manchester School of Economic & Social Studies, 1998, vol. 66, issue 1, 1-26

Abstract: Simple techniques for the graphical display of simulation evidence concerning the size and power of hypothesis tests are developed and illustrated. Three types of figures--called P value plots, P value discrepancy plots, and size-power curves--are discussed. Some Monte Carlo experiments on the properties of alternative forms of the information matrix test for linear regression models and probit models are used to illustrate these figures. Tests based on the outer-product-of-the-gradient regression generally perform much worse in terms of both size and power than efficient score tests. Copyright 1998 by Blackwell Publishers Ltd and The Victoria University of Manchester

Date: 1998
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Working Paper: Graphical Methods for Investigating the Size and Power of Hypothesis Tests (1994)
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