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Instructor Class Description

Time Schedule:

Geoffrey R Loftus
PSYCH 318
Seattle Campus

Statistical Inference in Psychological Research

Hypothesis testing: probabilistic and statistical basis. Development and application of statistical inference techniques employed in psychological research: confidence intervals, t-test, ANOVA, and correlation and regression. Nature and control of experimental and inferential error in research. Required for majors for psychology BS degree. Prerequisite: minimum 2.0 grade in PSYCH 317. Offered: WSp.

Class description

Major emphases on confidence intervals and hypothesis testing. Includes t-test, one-way and multiple-way analysis of variance, introduction to regression and correlation, planned comparisons, chi-square, within- versus between-subjects design, general linear model. IMPORTANT NOTE: A knowledge of Excel, while not technically required will cut the amount of time you spend doing class work by about a factor of 5 and will considerably increase the ease with which you learn the materials. Knowledge of Excel will almost certainly result in a higher grade.

Student learning goals

Have both a technical and an intuitive understanding of data analysis in science in general and in Psychology in particular

General method of instruction

Lecture/questions and answers

Recommended preparation

Class assignments and grading


The information above is intended to be helpful in choosing courses. Because the instructor may further develop his/her plans for this course, its characteristics are subject to change without notice. In most cases, the official course syllabus will be distributed on the first day of class.
Last Update by Geoffrey R Loftus
Date: 03/12/2013