08 Validity of epidemiological studies

[@syamcchandrasekharan2355]

Biases- selection bias, information bias( recall bias), confounding Confounder- affects exposure and outcome Effect modifier - don't affect both

[@AkhilVennam]

1:48 Accurate = Precision + Validity. I never heard that before. Please correct it.

[@rwakram]

Introduction 0:00 Selection Bias 4:41 Information Bias 10:24 Confounding 15:28 Conclusion 19:55

[@drprabuvelayutham2055]

Excellent presentation & flow of relevant points.

[@Reme873]

You explain very nicely.But can we have English subtitles also

[@iqbalbanu5140]

Excellent explanation

[@ml2841]

Literally there's no use of reading the slides without explaining/ giving examples.

[@kashifahmaad7489]

not understanding

[@surekhachavan9495]

Excellent explaination

[@rwakram]

Thank you so much, sir.

[@sreedeepteja1210]

Sir has anyone told you ,You look ,talk and feel like M.S.Dhoni.When you are lecturing I am reminded of MSD

[@jgkrishnakrishna5903]

Should explain the concept rather than just reading the slides Waste of time

[@wearenotincalifornia]

Case with most modern day teachers.

[@poonamatal3]

Nice lecture

[@annapurnavt3562]

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