'Measuring effect size' diaporamas de présentation

Chapter 8: Introduction to Hypothesis Testing

Chapter 8: Introduction to Hypothesis Testing. Hypothesis Testing. The general goal of a hypothesis test is to rule out chance (sampling error) as a plausible explanation for the results from a research study.

456 views • 28 slides

Chapter 11: The t Test for Two Related Samples

Chapter 11: The t Test for Two Related Samples. Repeated-Measures Designs. The related-samples hypothesis test allows researchers to evaluate the mean difference between two treatment conditions using the data from a single sample.

1.57k views • 27 slides

Chapter 9: Introduction to the t statistic

Chapter 9: Introduction to the t statistic. The t Statistic. The t statistic allows researchers to use sample data to test hypotheses about an unknown population mean.

491 views • 23 slides

Chapter 18: The Chi-Square Statistic

Chapter 18: The Chi-Square Statistic. Parametric and Nonparametric Tests. Chapter 18 introduces two non-parametric hypothesis tests using the chi-square statistic: the chi-square test for goodness of fit and the chi-square test for independence. . Parametric and Nonparametric Tests (cont.).

442 views • 22 slides

Ch.9: Introduction to the t - statistic

Ch.9: Introduction to the t - statistic. First of 3 chapters (9, 10, & 11). Chapter Overview. Problem with using the z statistic in an hypothesis test Introduction to the t-statistic The sampling distribution of t values (the t distribution) Hypothesis testing using the t statistic

436 views • 21 slides

Family-based Prevention of Offending: A Meta-Analysis

Family-based Prevention of Offending: A Meta-Analysis. David P. Farrington & Brandon C. Welsh 2003 Jenna Ayers Radford University. Overview. Review of the effectiveness of family-based prevention programs in reducing offending and antisocial behavior by children and adolescents.

380 views • 18 slides

Chapter 14: Repeated-Measures Analysis of Variance

Chapter 14: Repeated-Measures Analysis of Variance. The Logical Background for a Repeated-Measures ANOVA. Chapter 14 extends analysis of variance to research situations using repeated?measures (or related?samples) research designs.

442 views • 17 slides

Chapter 9 Introduction to the t Statistic

253 views • 13 slides

Chapter 10 The t Test for Two Independent Samples

230 views • 9 slides