Trans - Study Designs

Question 1

cross sectional study

Answer 1

single measurement, single observation, one particular period of time

Question 2

longitudinal study

Answer 2

requires repeated measurements over a longer period of time

Question 3

cross sectional study used for:

Answer 3

disease description

Question 4

longitudinal study used for

Answer 4

prospective and retrospective studies

Question 5

pre experimental designs - purpose

Answer 5

for piloting procedures and outcomes for the true experiments

Question 6

1 shot case study

Answer 6

single group studied only once without control

Question 7

1 group pretest-posttest design

Answer 7

compares subjects condition before and after intervention, no control

Question 8

difference of true experimental designs from pre experimental designs

Answer 8

in true experimental designs, control groups are present

Question 9

single factor experiments

Answer 9

comparisons are mad on the effectiveness of treatments on a common criterion

Question 10

multifactor experiments

Answer 10

permit evaluation of controlled effect of two or more variables

Question 11

pretest-posttest control group design

Answer 11

most common, evaluates baseline first before treatment

Question 12

posttest only control group design

Answer 12

can be done when procedures for induction of baseline are well established

Question 13

blocked group design

Answer 13

experimental units are grouped first according to the control variable before randomization of experimentation

Question 14

multifactor designs

Answer 14

used to see the effects of different variables in combination

Question 15

case report

Answer 15

describe the outcome of the patient

Question 16

case series

Answer 16

descriptive account of certain characteristics observed in a group of patients

Question 17

cross sectional study

Answer 17

done at one point in time
“what might be happening”
for hypothesis generation

Question 18

case control study

Answer 18

cases (those with outcome of interest) are compared to controls (those without outcome of interest)

“what may have happened”

Question 19

part of population identified so that one or more characteristics may be studied over time

Answer 19

cohort

Question 20

cohort study

Answer 20

follows a cohort who initially does not have the disease and sees which of them would develop it

identifies risk factors

Question 21

randomization used to determine which subject will be exposed to treatment or placebo

Answer 21

randomized control trial

Question 22

meta analysis

Answer 22

studies and compiles the findings of previous studies