study designs

Question 1

Analytic studies

Answer 1

-intervention
-exposure: applied to different groups of subjects

Question 2

descriptive

Answer 2

-qualitative studies

Question 3

examples of descriptive-qualitative data

Answer 3

case reports, series, correlational studies(analyse secondary reports and come out with the correlation- find the relationships)

Question 4

limitations of descriptive

Answer 4

not individual level it is population therefore there won’t be individual data, confounding -different variables

Question 5

what can cross sectional study do?

Answer 5

can find the prevalence

Question 6

3 examples of observational study

Answer 6

1.cross sectional
2.analytical
3.case-control, cohort

Question 7

what to do when seeing the aim of the study?

Answer 7

describe a population (descriptive)-PO question

Question 8

what to do in - quantify the real relationship between factors(analytical)- PO questions

Question 9

Descriptive studies

Answer 9

describe pattern of disease. It emphasizes features of a new condition and describes health status pf the population and communities.

Question 10

Cohort:

Answer 10

group of individuals who are linked in some way in the same life in a period of time

Question 11

Cohort study:

Answer 11

investigator selects groups of exposed people and group of non-exposed. The follow up both groups will be compared for the incidence of disease-death rate.

Question 12

Prospective cohort study

Answer 12

answer questions in a specific area. Follow up happens

Question 13

Retrospective cohort study

Answer 13

study is not pre planned. Researcher uses pre-existing data and the follow up is incomplete

Question 14

Experimental studies:

Answer 14

Field trials-immunization assigned to individuals
Community trials-assigned to group