Question

question 21 (6 points)
question: you are working with department of defense to help reduce suicide rates among active duty and veterans. you collect the records of all the suicides for the last 7 years to determine if there are any commonalities. what type of study is this?

1. experimental
2. cohort
3. case - control
4. cross - sectional

question 22 (6 points)
question: in response to an increase in stress - related incidents among military personnel, researchers aim to compare between those who experienced combat stress with those who did not, grouping accordingly. what study design is this?

1. cross - sectional
2. cohort
3. experimental

Explanation:

• Question 21: A cohort study follows a group of individuals (in this case, those who committed suicide over 7 years) to look for commonalities. It is an observational study that tracks a group over time.
• Question 22: A case - control study selects groups (those with combat stress - cases and those without - controls) and looks back or compares characteristics. Here, comparing those with and without combat stress (a characteristic) to look at stress - related incidents.

Answer:

• Question 21: 2) Cohort
• Question 22: 3) Case - control