JanBehavioral

Question 1

Study Type : Compares a group of people with disease to group without disease

Answer 1

Case-control study

Question 2

Measure of Case-control study

Answer 2

Odds Ratio

Question 3

Compares a group with a given exposure or risk factor to a group without such exposure

Answer 3

Cohort study

Question 4

Measure of cohort study

Answer 4

Relative Risk

Question 5

Collects data from a group of people to assess freq. of disease

Answer 5

Cross-sectional study

Question 6

Measure of twin concordance study

Answer 6

Heritability

Question 7

Measure of Adoption study

Answer 7

Heritability and enviromental factors

Question 8

Common to case-contrio, cohort and cross-sectional study

Answer 8

Observational

Question 9

Experimental study involving humans. Compares 2 or more treamtents, may include placebo

Answer 9

clincial trial

Question 10

Proportion of all people with disease who test positive

Answer 10

Sensitivity (SeNsitivity rules OUT - SNOUT)

Question 11

Proportion of all people without disease who test negative

Answer 11

Specificity( Specificity rules IN - SPIN)

Question 12

Proportion of pos. test results that are true positive

Answer 12

Positive Predictive Value (PPV)

Question 13

Proportion of neg test results that are true neg.

Answer 13

Negative Predicitve Value (NPV)

Question 14

Consistency and reproducibility of a test

Answer 14

precision

Question 15

Trueness of test measurements

Answer 15

accuracy

Question 16

When group being studies changes its behavior because they are being watched

Answer 16

Hawthorne effect

Question 17

Nonrandom assignment to participation in a study group

Answer 17

Selection bias

Question 18

Subjects are not representative of the general population

Answer 18

Sampling bias

Question 19

Subjects in different groups are not treated the same

Answer 19

Procedure bias

Question 20

No association between disease and risk factor

Answer 20

Null hypothesis

Question 21

Assoication between disease and the risk factor

Answer 21

Alternative hypothesis

Question 22

An effect or differnce noted when none exists

Answer 22

Type I error (alpha)

Question 23

Effect or difference is not detected even though it exists

Answer 23

Type II error (beta) Beta = blind=missed

Question 24

Test checks diff. between means of 2 groups

Answer 24

t-test (Mr. T is mean)

Question 25

Checks difference of mean between 3 or more groups

Answer 25

ANOVA

Question 26

Test cehcks difference between 2 or more percentages of outcomes

Answer 26

chi-square (x^2)

Question 27

Disease prevention that prevents occurrence

Answer 27

Primary

Question 28

Disease prevention that detets diseases early

Answer 28

Secondary

Question 29

Disease prevention that reduces disability from disease

Answer 29

Tertiary