Evidence Synthesis Academy

Assess for Risk of Bias

Assess for Risk of Bias

This is the sixth part in a series of online courses about how to conduct a systematic review. If you haven’t completed the other steps yet, please visit our homepage to start from the beginning.

For more background on what a systematic review is and how it might help you answer an important question, check out our intro course.

If you are ready to assess your studies for risk of bias (rob), let’s get started!

Course Information

 

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Why bias matters

Risk of bias and why it matters
Lesson 1 of 11 within section Why bias matters.
What is risk of bias?
Lesson 2 of 11 within section Why bias matters.
But these studies are peer reviewed
Lesson 3 of 11 within section Why bias matters.
The big idea behind risk of bias
Lesson 4 of 11 within section Why bias matters.
Risk of bias in RCTs
Lesson 5 of 11 within section Why bias matters.
Measuring bias is tricky
Lesson 6 of 11 within section Why bias matters.
Levels of risk of bias assessment
Lesson 7 of 11 within section Why bias matters.
Your risk of bias approach might alter your conclusions
Lesson 8 of 11 within section Why bias matters.
1st approach to risk of bias
Lesson 9 of 11 within section Why bias matters.
2nd approach to risk of bias
Lesson 10 of 11 within section Why bias matters.
Risk of bias is subjective
Lesson 11 of 11 within section Why bias matters.

Assess for bias

How to assess for risk of bias
Lesson 1 of 5 within section Assess for bias.
Risk of bias levels
Lesson 2 of 5 within section Assess for bias.
Types of bias
Lesson 3 of 5 within section Assess for bias.
Types of bias, continued
Lesson 4 of 5 within section Assess for bias.
Risk of bias domains
Lesson 5 of 5 within section Assess for bias.

Bias in group selection

Random sequence generation
Lesson 1 of 8 within section Bias in group selection.
Test your instincts: Random Sequence Generation
Lesson 2 of 8 within section Bias in group selection.
Make your assessment: Randomizing Participants
Lesson 3 of 8 within section Bias in group selection.
What happens if you see unusual random results?
Lesson 4 of 8 within section Bias in group selection.
Are uneven groups a sign of high risk of bias?
Lesson 5 of 8 within section Bias in group selection.
Allocation concealment
Lesson 6 of 8 within section Bias in group selection.
Test your instincts: allocation concealment
Lesson 7 of 8 within section Bias in group selection.
Make your assessment: Allocation Concealment
Lesson 8 of 8 within section Bias in group selection.

Bias in data collection

Risk of bias domains: data collection
Lesson 1 of 13 within section Bias in data collection.
Masking/Blinding
Lesson 2 of 13 within section Bias in data collection.
Masking for Performance Bias
Lesson 3 of 13 within section Bias in data collection. You must enroll in this course to access course content.
Masking for Detection Bias
Lesson 4 of 13 within section Bias in data collection. You must enroll in this course to access course content.
Sometimes blinding isn’t possible
Lesson 5 of 13 within section Bias in data collection.
How to assess for masking/blinding
Lesson 6 of 13 within section Bias in data collection.
Blinding confusion
Lesson 7 of 13 within section Bias in data collection.
Missing participant data
Lesson 8 of 13 within section Bias in data collection.
Does missing participant data matter?
Lesson 9 of 13 within section Bias in data collection.
Test your instincts: Missing Participant Data
Lesson 10 of 13 within section Bias in data collection.
Make your assessment: Missing Participant Data
Lesson 11 of 13 within section Bias in data collection.
Incomplete outcome reporting
Lesson 12 of 13 within section Bias in data collection.
Make your assessment: Outcome Reporting
Lesson 13 of 13 within section Bias in data collection.

Describing bias

Now what?
Lesson 1 of 4 within section Describing bias.
Where does risk of bias belong?
Lesson 2 of 4 within section Describing bias.
Descriptions and visualizations
Lesson 3 of 4 within section Describing bias.
Descriptions and Visualizations, continued
Lesson 4 of 4 within section Describing bias. You must enroll in this course to access course content.

Other sources of bias

Risk of bias in your systematic review
Lesson 1 of 4 within section Other sources of bias.
Publication bias
Lesson 2 of 4 within section Other sources of bias.
Other challenges with outcomes
Lesson 3 of 4 within section Other sources of bias.
Next steps
Lesson 4 of 4 within section Other sources of bias.

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