Question

question 23 (6 points)
question: you are working with a neighborhood action group to determine why some people dont wear helmets when riding their bikes. using an established instrument, you survey the people in the neighborhood to learn more about their habits and beliefs. what type of study design is this?

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

question 24 (6 points)
question: you are working with a local school district to determine the academic effects of childhood trauma on student discipline issues. students with a recent history of trauma are enrolled in the study. at the end of the school year, you will compare the number of disciplinary issues among the trauma group to the school average. what type of study is this?

1. experimental
2. cross - sectional

Explanation:

• Question 23: A cross - sectional study examines a population at a single point in time. Here, surveying people in the neighborhood about their current habits (helmet - wearing) and beliefs is a cross - sectional approach.
• Question 24: A cohort study follows a group of individuals (in this case, students with a recent history of trauma) over a period of time (the school year) and compares them to a relevant reference group (school average).

Answer:

• Question 23: 4) Cross - sectional
• Question 24: 2) Cohort