Re: One tailed post-hoc test in ANOVA

Posted by Swank, Paul R on Apr 16, 2011; 7:27pm
URL: http://spssx-discussion.165.s1.nabble.com/Questions-about-ANOVAs-and-Sphericity-tp4297706p4308001.html

As long as the difference is in the predicted directon.

 

Dr. Paul R. Swank,

Professor and Director of Research

Children's Learning Institute

University of Texas Health Science Center-Houston

 

From: SPSSX(r) Discussion [mailto:[hidden email]] On Behalf Of ANDRES ALBERTO BURGA LEON
Sent: Friday, April 15, 2011 4:27 PM
To: [hidden email]
Subject: One tailed post-hoc test in ANOVA

 

Hello:


When you run a post-hoc test in ANOVA and are interested in a one-tailed test  it posible to use the reported sig. as sig./2  as a p value for a one tailed test?

Kindly

Andrés

Mg. Andrés Burga León
Coordinador de Análisis e Informática
Unidad de Medición de la Calidad Educativa
Ministerio de Educación del Perú
Calle El Comercio s/n (espalda del Museo de la Nación)
Lima 41
Perú
Teléfono 615-5840