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SPSS T-Test Tutorials

SPSS T-Test Tutorials - Overview

Independent Samples T-Test

SPSS Independent Samples T-Test Tutorial

SPSS independent samples t-test examines of 2 populations have equal means on some variable.
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Independent Samples T-Test – Quick Introduction

An independent samples t-test examines if 2 populations have equal means on some variable. This simple tutorial quickly walks you through in normal language with superb illustrations.
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Paired Samples T-Test

SPSS Paired Samples T-Test Tutorial

Simple tutorial & example on running and interpreting a paired samples t-test in SPSS. Includes practice data, assumptions and effect size Cohen's D.
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One Sample T-Test

One-Sample T-Test – Quick Tutorial & Example

Simple tutorial on the one-sample t-test including null hypothesis, formulas, significance, effect size, confidence intervals & APA reporting guidelines.
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SPSS One Sample T-Test

SPSS one-sample t-test is used for testing whether the mean of one metric variable is equal to some hypothesized population value.
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T-Test Background Tutorials

Z-Scores – What and Why?

Z-scores are linearly transformed data values having a mean of zero and a standard deviation of 1. Z-scores may or may not be normally distributed.
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Cohen’s D – Effect Size for T-Test


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What is a Dichotomous Variable?

Variables are dichotomous if they have precisely two distinct values such as sex or being married. They are analyzed differently from other variables.
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