• Publications
  • Influence
Accepting the null hypothesis
  • R. Frick
  • Psychology, Medicine
  • Memory & cognition
  • 1995
This article concerns acceptance of the null hypothesis that one variable has no effect on another. Despite frequent opinions to the contrary, this null hypothesis can be correct in some situations.Expand
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The appropriate use of null hypothesis testing.
The many criticisms of null hypothesis testing suggest when it is not useful and what is should not be used for. This article explores when and why its use is appropriate. Null hypothesis testing isExpand
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A better stopping rule for conventional statistical tests
We present a sequential stopping rule that is practical and about 30% more efficient: Once a minimum number of subjects is tested, stop withp less than .01 or greater than .36; otherwise, keep testing. Expand
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The ability to reason about movement in the visual field
Abstract In tests of visual-spatial reasoning, the examinee must reason about some aspect of a picture. Because of the limitations of paper-and-pencil tests, the picture do not contain any movingExpand
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Interpreting statistical testing: Process and propensity, not population and random sampling
The standard textbook treatment of conventional statistical tests assumes random sampling from a population and interprets the outcome of the statistical testing as being about a population. ProblemsExpand
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Defending the Statistical Status Quo
The practices suggested by Thompson (1999) have not been adopted by researchers because they would rarely be useful. There are problems with reports of effect size that depend on methodologicalExpand
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Implicit Learning and Concept Learning
  • R. Frick, Y. Lee
  • Psychology, Medicine
  • The Quarterly journal of experimental psychology…
  • 1 August 1995
In Experiments 1 and 2, subjects were exposed to letter strings that followed a pattern—the second letter was always the same. This exposure was disguised as a test of immediate memory. FollowingExpand
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Three Treatments for Chronic Venous Insufficiency: Escin, Hydroxyethylrutoside, and Daflon
Escin, hydroxyethylrutoside (HR), and Daflon have been shown to be safe and effective for the treatment of chronic venous insufficiency (CVI). They seem to work differently than compression therapy,Expand
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The prosodic expression of anger: Differentiating threat and frustration
A theory relating aggression and the pitch of vocalizations [Ohala, 1983, 1984] predicts that the expression of anger in humans should have a low pitch; however, experimentally anger is found to haveExpand
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