Understanding Research Bias: Types and Control Methods
Explore the role of bias in research, types of bias, and methods to avoid or control bias in your studies. Learn how to evaluate information accuracy, relevance, and authority.
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Presentation Transcript
Prepared by Alaa Mohammad MSc optometry Research methodology Evaluation the role of bias What is the role of bias in research? Research bias results from any deviation from the truth, causing distorted results and wrong conclusions. Bias can occur at any phase of your research, including during data collection, data analysis, interpretation, or publication. Research bias can occur in both qualitative and quantitative research.
How do you evaluate information? 1.Accuracy: The reliability, truthfulness, and correctness of the content. ... 2.Authority: The source of the information. ... 3.Relevance: The importance of the information for your needs. ... 4.Currency: The timeliness of the information. ... 5.Purpose: The reason the information exists. What are the 3 types of bias? Three types of bias can be distinguished: 1- information bias, 2- selection bias, 3- and confounding
How do we avoid or control the bias? Avoiding Bias 1.Use Third Person Point of View. ... 2.Choose Words Carefully When Making Comparisons. ... 3.Be Specific When Writing About People. ... 4.Use People First Language. ... 5.Use Gender Neutral Phrases. ... 6.Use Inclusive or Preferred Personal Pronouns. ... 7.Check for Gender Assumptions
What is control bias? The illusion of control bias is a cognitive bias that refers to the tendency of individuals to believe that they have more control over a situation or outcome than they actually . How do you control selection bias in research ? How to avoid selection bias 1.Correctly identify your survey goals. 2.Give clearly defined requirements for your target audience. 3.Give all potential respondents an equal chance of participating.
