'Related samples' presentation slideshows

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 .

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Day Four: Introduction to Statistical Analysis

Day Four: Introduction to Statistical Analysis. What are Statistics?. Procedures for describing, analyzing, and interpreting quantitative data Your choice of statistical technique should be guided by your research design and the type of data you have collected. Reminders:

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Thursday, September 26, 2013

Thursday, September 26, 2013. Paired samples t-test. Last Time. Independent Samples t-test Numerator: ( M A - M B )-( ? A - ? B ) ( ? A - ? B ) always equals 0 Denominator: (estimated standard error of the difference between two independent means) Formula for denominator:

365 views • 36 slides

Chapter 10: t-tests

Chapter 10: t-tests. The Two-Sample Independent & Related-Sample t-Tests. is the mean of the first sample. is the mean of the second sample. is the estimated population standard deviation of the first sample.

355 views • 35 slides

Basic Data Analysis Methods

Chapter 10. Basic Data Analysis Methods. Learning Objectives : Discuss hypothesis testing and why we use it. Explain the concept of statistical significance. Understand how to choose the appropriate statistical technique. Explain the difference between sample statistics

785 views • 33 slides

Nonparametric Techniques

Nonparametric Techniques. CJ 526 Statistical Analysis in Criminal Justice. Parametric v. Nonparametric: Parametric. Parametric Dependent Variable: Interval/Ratio. Parametric v. Nonparamteric: Nonparametric. Nonparametric Dependent Variable: Nominal/ordinal.

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Related Samples T-Test

Related Samples T-Test. Quantitative Methods in HPELS 440:210. Agenda. Introduction The t Statistic for Related-Samples Hypothesis Tests with Related-Samples t-Test Instat Assumptions. Introduction. Recall ? There are two scenarios when comparing two samples: Samples are INDEPENDENT

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Psychology 340 Spring 2010

Statistics for the Social Sciences. Making estimations. Psychology 340 Spring 2010. Statistical analysis follows design. Are you looking for a difference between groups? Are you estimating the mean (or a mean difference)? Are you looking for a relationship between two variables?. ?.

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Within subjects t tests

Within subjects t tests. Related samples Difference scores t tests on difference scores Advantages and disadvantages. Related Samples. The same participants give us data on two measures e. g. Before and After treatment Usability problems before training on PP and after training

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Reasoning in Psychology Using Statistics

Reasoning in Psychology Using Statistics. Psychology 138 2017. Quiz 10, due Friday May 5 th . You may take it up to 10 times, your top score is what counts. Inferential Statistics : Procedures which allow us to make claims about the population based on sample data. Hypothesis testing

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Comparing Two Means: One-sample & Paired-sample t -tests

Comparing Two Means: One-sample & Paired-sample t -tests. Lesson 12. Inferential Statistics. Hypothesis testing Drawing conclusions about differences between groups Are differences likely due to chance? Comparing means t -test: 2 means Analysis of variance: 2 or more means ~.

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Hypothesis Tests: Two Related Samples

Hypothesis Tests: Two Related Samples. Related Samples. The same participants give us data on two measures e. g. Before and After treatment Aggressive responses before video and aggressive responses after With related samples, someone high on one measure is probably high on other. Cont.

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Selecting a test: lesson 2

Selecting a test: lesson 2. Choice 3 Levels of data. 1 st Choice Difference or Correlation. The first decision you have to make is what the hypothesis is testing. Is it talking about a difference between two conditions or is it asking about the relationship between two variables.

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Chapter 15

Chapter 15. t Test for Two Related Samples (Repeated Measures). Repeated measures?. Whenever the same subject is measured more than once. Two related samples occur whenever each observation in one sample is paired , on a one-to-one basis, with a single observation in the other sample.

281 views • 17 slides

08/2-2009

213 views • 11 slides