study design

Question 1

research design

Answer 1

structured plan to outline how a study will be conducted

Question 2

observational research design

Answer 2

participants are observed
comparison of populations
large sample size

Question 3

experimental research design

Answer 3

effect of the intervention is assessed
manipulate independent variable
test group & control group

Question 4

independent variable

Answer 4

what changes

Question 5

dependent variable

Answer 5

what you measure

Question 6

randomised control trial

Answer 6

participants randomally allocated to groups
used to determine cause and effect

Question 7

blinding

Answer 7

method used to prevent bias by keeping certain information hidden from participants

Question 8

single blind

Answer 8

participants do not know which treatment they are receiving but researchers do

Question 9

double blind

Answer 9

both participants and researchers do not know who is receiving treatment

Question 10

control group

Answer 10

group do not receive treatment
controls external variables to help isolate effects

Question 11

placebo group

Answer 11

given an equivalent treatment
in a drug study the control group would be given a placebo