Describe a possible way in which measurement bias may have occurred in this study when classifying participants as either having or not having depression?

/in /by

Question1 a) Describe a possible way in which measurement bias may have occurred in this study when classifying participants as either having or not having depression? (2-3 sentences)b)Would the bias described in Question 10a be better described as differential or non-differential measurement/misclassification bias? Please justify why. (1-2 sentences)Question 2:What stratified analysis was undertaken? What did the results of this analysis show? (1 paragraph)Question 3:Based on your critical examination of the study, would you consider this study to be internally valid? Please justify your decision by summarising the likely roles chance, bias and confounding have on the measure of association (as explored in this Assignment and using your own critical appraisal skills). (2-4 paragraphs).Question 4:Do you think the findings of this study are generalisable to other populations? Please justify your answer. (1 paragraph)