1: Which of the following epidemiological study design is used for estimation the prevalence of the disease?
45s
Case control
Cross- sectional
Case report
Cohort study
2: Which of the following is considered as a discrete quantitative data?
45s
Body weight
Marital status
Pulse rate
Temperature
3: Group of researchers want to study the opinions of adults on a new political candidate. They divide the populations into age groups (e.g. 18-24, 25-34, 35-44, …etc.) and randomly select individuals from each group.Which of the following sampling methods is used in the above example?
55s
Convenience sampling
Systematic random sampling
Stratified random sampling
Snowball sampling
4: You have completed a paper and want to give it your best shot at publication. What's your best strategy?
60s
Submit your paper to one journal and wait to hear if it is accepted. If it isn't, then submit it to another journal.
Submit your paper to several journals at the same time, such as Science, Nature, and Cell, and see who accepts it - maybe all three!
Submit it to Science, Nature, and Cell all at the same time, but once you find out one of the journals has accepted the paper, withdraw all other submissions.
5: Which of the following graphs is mainly used to explore the relationship between two numerical variables?