Research techniques

Question 1

randomisation

Answer 1

The use of chance when designing investigations to control for the effects of bias

Question 2

standardisation

Answer 2

using exactly the same formalised procedures for all participants in a research study

Question 3

control groups

Answer 3

Control groups are used for the purpose of setting a comparison

Question 4

single and double blind

Answer 4

Single blind - a participant doesn’t know the aims of the study so the demand characteristics are reduced

Double blind-Both participant and researcher don’t know the aims of the study to reduce demand charcteristics and investigator effects