Epidemiology - Study Design Summary
2024/2025 Exam Questions and Correct
Answers | New Update
cross sectional data collection - 🧠ANSWER ✔✔collect individual data
on exposure and disease simultaneously
cross sectional measure of effect - 🧠ANSWER ✔✔ratio of prev
cross sectional limitations - 🧠ANSWER ✔✔no assessment of disease
risk; time order problem; cannot establish causality; over-represents
longer diseases
cross sectional strengths - 🧠ANSWER ✔✔can be quick and
inexpensive, hypothesis generating, good for planning; good for
multiple diseases
ecologic data collection - 🧠ANSWER ✔✔collect group data on
exposure and disease (ie, national surveys)
Page 1 of 4
COPYRIGHT©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER:
619652435. TERMS OF USE. PRIVACY STATEMENT. ALL RIGHTS RESERVED
2024/2025 Exam Questions and Correct
Answers | New Update
cross sectional data collection - 🧠ANSWER ✔✔collect individual data
on exposure and disease simultaneously
cross sectional measure of effect - 🧠ANSWER ✔✔ratio of prev
cross sectional limitations - 🧠ANSWER ✔✔no assessment of disease
risk; time order problem; cannot establish causality; over-represents
longer diseases
cross sectional strengths - 🧠ANSWER ✔✔can be quick and
inexpensive, hypothesis generating, good for planning; good for
multiple diseases
ecologic data collection - 🧠ANSWER ✔✔collect group data on
exposure and disease (ie, national surveys)
Page 1 of 4
COPYRIGHT©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER:
619652435. TERMS OF USE. PRIVACY STATEMENT. ALL RIGHTS RESERVED