Problem 1: Identify at least two ways that bias may be introduced in the study (Tuberculosis) and indicate which type of bias each one is-selection bias or information bias. Explain your answer.
Problem 2: Identify any evidence of causal relationships in the study you have selected. Explain your answer.
Problem 3: Describe measures of statistical and clinical significance that the study may have.
Problem 4: Identify two confounding variables that might influence your study and explain how they could affect the results.
Problem 5: Describe at least one method of controlling the confounding variables you identified.