Selfselection bias is least likely to occur in Casecontrol s

Self-selection bias is least likely to occur in:

Case-control studies

Prospective cohort studies

Randomized clinical trials

All of the above

None of the above

Solution

self-selection bias arises in any situation in which individuals select themselves into a group, causing a biased sample with nonprobability sampling.

AND IT WILL HAPPEN LEAST IN THE SAMPLE IN WHICH INDIVIDUAL DOES NOT INCLUDE THEMSELVES AND THIS WILL MOST PROBABLY HAPPEN IN THE RANDOM CLINICAL TRIALS HENCE THE SELF SELECTION BIAS WILL HAPPEN LEAST IN RANDOMIZED CLINICAL TRIAL.