Les Leventhal

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Comments on "Type 1 and Type 2 Errors in the Statistical Analysis of Listening Tests" and Author's Replies

David Clark, Daniel Shanefield, Tom Nousaine, 1987 .

Correction to "Type 1 and Type 2 Errors in the Statistical Analysis of Listening Tests"

Les Leventhal, 1986 .

How Conventional Statistical Analyses Can Prevent Finding Audible Differences in Listening Tests

Les Leventhal, 1985 .

Statistically Significant Poor Performance in Listening Tests

Les Leventhal, 1994 .

Analyzing Listening Tests with the Directional Two-Tailed Test

Les Leventhal, Cam-Loi Huynh, 1996 .

Updating the Debate on One- versus Two-Tailed Tests with the Directional Two-Tailed Test

Les Leventhal, L. Leventhal, 1999 .

Educational Seduction

Philip C. Abrami, Les Leventhal, Raymond P. Perry, 1982 .

Instructor Reputation: An Expectancy Relationship Involving Student Ratings and Achievement.

Philip C. Abrami, Les Leventhal, Raymond P. Perry, 1979 .

Effects of Lecturer Quality and Student Perception of Lecturer's Experience on Teacher Ratings and Student Achievement.

Philip C. Abrami, Les Leventhal, Raymond P. Perry, 1977 .

Directional decisions for two-tailed tests: Power, error rates, and sample size.

Les Leventhal, Cam-Loi Huynh, C. Huynh, 1996 .