Paired Test

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Presentation Description

This lecture shows how to conduct paired tests for matched cases and controls. This lecture is part of an open online course available at http://openonlinecourses.com/statistics This lecture was prepared by Alemi.

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Presentation Transcript

Paired Test:

Paired Test Farrokh Alemi Ph.D .

Framework for Hypothesis Testing:

Framework for Hypothesis Testing

Framework for Hypothesis Testing:

Framework for Hypothesis Testing

Paired Observations:

Paired Observations

Paired Observations:

Paired Observations

Examples of Pair Observations:

Same patient tested at two different times Comparison of Patients with same comorbidity Prices compared for same-size hospitals Clinicians compared on pts with same severity Examples of Pair Observations

Assumptions:

Assumptions

Assumptions:

Assumptions

Assumptions:

Assumptions

Hypotheses:

Hypotheses

Hypotheses:

Hypotheses

Hypotheses:

Hypotheses

Calculate Statistic:

Calculate Statistic

Calculate Statistic:

Calculate Statistic

Calculate Statistic:

Calculate Statistic

Calculate Statistic:

Calculate Statistic

Look-up P Value:

Look-up P Value

Make Inference:

Make Inference

Example:

Example

Assumptions:

Assumptions

Assumptions:

Assumptions

Assumptions:

Assumptions

Hypotheses:

Hypotheses

Calculate Statistic:

Calculate Statistic

Calculate Statistic:

Calculate Statistic

Calculate p Value:

Calculate p Value

Calculate p Value:

Calculate p Value

Make Inference:

Make Inference

Take Home Lesson:

Compare cases and matched controls Take Home Lesson

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