Reference no: EM133158997

Review the types of bias discussed in your textbook and listed below: 

• Non-differential recall bias
• Differential recall bias
• Publication bias
• Loss to follow-up
• Refusal to participate
• Interviewer bias
• Confounding

Select two types of bias from the list above, or from those discussed in Chapter 10 of the Friis and Sellers (2021) text, and consider the ways that bias could impact Pertussis.

By Day 4

Post a summary of a real or hypothetical study. You can use one of the studies you designed during Weeks 3 or 4, or search for a different study.

• Identify at least two ways that bias may be introduced in the study, and indicate which type of bias each one is-selection bias or information bias. Explain your answer.
• Identify any evidence of causal relationships in the study you have selected. Explain your answer.
• Describe measures of statistical and clinical significance that the study may have.
• Identify two confounding variables that might influence your study, and explain how they could affect the results.
• Describe at least one method of controlling the confounding variables you identified.