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EVAL 6970: Experimental and Quasi-Experimental Designs

EVAL 6970: Experimental and Quasi-Experimental Designs

EVAL 6970: Experimental and Quasi-Experimental Designs. Dr. Chris L. S. Coryn Dr. Anne Cullen Spring 2012. Agenda. Statistical power/design sensitivity Statistical conclusion validity and internal validity. Statistical Power/Design Sensitivity. Types of Hypotheses. General forms:

By meara
(148 views)

Chapter 9

Chapter 9

Chapter 9. Test of Hypotheses for a Single Sample. Learning Objectives. Structure hypothesis tests Test hypotheses on the mean of a normal distribution using either a Z -test or a t -test procedure Test hypotheses on the variance or standard deviation of a normal distribution

By jeri
(325 views)

Review

Review

Review. Nine men and nine women are tested for their memory of a list of abstract nouns. The mean scores are M male = 15 and M female = 17. The mean square based on both samples is MS = 25. What is your best estimate of the (non-standardized) effect size, µ female – µ male ? 0.40

By tuari
(116 views)

Advanced Methods and Analysis for the Learning and Social Sciences

Advanced Methods and Analysis for the Learning and Social Sciences

Advanced Methods and Analysis for the Learning and Social Sciences. PSY505 Spring term, 2012 April 18, 2012. Today’s Class. Post-hoc Adjustments. The Problem. If you run 20 statistical tests, you get a statistically significant effect in one of them

By manchu
(90 views)

Confidence Intervals

Confidence Intervals

Confidence Intervals. Chantel Chang Math 480 Dr. Faber. Definitions. 1) Estimator : A random variable, , that is a function of a random sample x 1 ,x 2 ,… , x n (e.g. sample mean ).

By manton
(92 views)

Critical Appraisal

Critical Appraisal

Critical Appraisal. Dr. Chris Hall – Facilitator Dr. Dave Dyck R3 March 20/2003. Objectives:. Review study design and the advantages/ disadvantages of each Review key concepts in hypothesis, measurement, and analysis Article appraisal Treatment articles Diagnosis articles Harm articles

By nat
(260 views)


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