Question

Each of the following statements is descriptive of situations which may be likely to present one of the three major types of bias or confounding. If bias or confounding is probable, select the type which is most likely to occur and indicate your choice by selecting confounding, information bias, selection bias, or no bias (if no bias should be expected). 23. A clinical trial is conducted. The individual who ascertains the outcome classification of the study participants is aware of the treatment status that was assigned (treatment or placebo) to each participant. A. Information Bias B. Selection Bias C. No Bias

          Each of the following statements is descriptive of situations which may be likely to present one of the three major types of bias or confounding. If bias or confounding is probable, select the type which is most likely to occur and indicate your choice by selecting confounding, information bias, selection bias, or no bias (if no bias should be expected).
23. A clinical trial is conducted. The individual who ascertains the outcome classification of the study participants is aware of the treatment status that was assigned (treatment or placebo) to each participant.
A. Information Bias
B. Selection Bias
C. No Bias

Added by Ezekiel O.

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