6. What statements are true for cohort studies? Check all correct answers. -Meas
ID: 3444776 • Letter: 6
Question
6. What statements are true for cohort studies? Check all correct answers.
-Measures change of outcome over time.
-Multiple observations for each individual over a certain time frame.
-Show how an exposure is associated with an outcome in a real life situation.
-Tend to uncover correlations, but not causations.
- Always prospective.
-Proofs causal relationships between exposure and outcome.
7. Which of the following statements are true?
-Results from clinical studies have greater validity than results from observational studies.
-Results from a longitudinal cohort study have greater validity than results from a cross-sectional study.
-Results from a cross-sectional study have greater validity than results from a longitudinal cohort study.
-Results from observational studies have greater validity than results from clinical studies.
-Results from double-blinded, controlled, multicenter studies have the greatest validity.
8. What statements are true for clinical studies? Check all correct answers.
-All clinical studies are bias free.
-Tend to uncover correlations, but not causations.
-Double-blind studies eliminate participant and researcher related bias.
-Controlled, double blinded studies result in bias and mistake free results.
-Can quantify the causation between exposure and outcome.
10. You are planning a scientific study looking into the hypothesis that adherence to the MyPlate balanced diet will reduce the risk for Type 2 Diabetes compared to the typical American eating pattern high in processed food and low in plant based foods. You choose _____________________ to determine the dietary eating pattern of individuals participating in your study.
-24 h Recall
-Dietary Record
-Dietary History
-Food Frequency Questionnaire (FFQ)
Question 6 0.25 1 pts What statements are true for cohort studies? Check all correct answers Measures change of outcome over time. Multiple observations for each individual over a certain time frame. Show how an exposure is associated with an outcome in a real life situation. Tend to uncover correlations, but not causations. Always prospective Proofs causal relationships between exposure and outcome.Explanation / Answer
6) the correct statment are
(a) measure change of outcome over the time on the group..
(b) always prospective..
(c) multiple observations of te each individual..
8) the correct option are
(a) tends to cover the co-realtion of the study..
(b) can quantify the correlation btw outcomes and exposure
(c) double blinded study eliminate participate and research..
10) the correct option is option dietary history which means a intervw of the food intakes which will allow the people to judge over it..!!
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