# Paired Test

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Category: Education

## 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.

## 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

Hypotheses

Hypotheses

Hypotheses

### Calculate Statistic:

Calculate Statistic

### Calculate Statistic:

Calculate Statistic

### Calculate Statistic:

Calculate Statistic

### Calculate Statistic:

Calculate Statistic

Look-up P Value

Make Inference

Example

Assumptions

Assumptions

Assumptions

Hypotheses

### Calculate Statistic:

Calculate Statistic

### Calculate Statistic:

Calculate Statistic

### Calculate p Value:

Calculate p Value

### Calculate p Value:

Calculate p Value

Make Inference

### Take Home Lesson:

Compare cases and matched controls Take Home Lesson