pilot studies and blind procedures

Question 1

pilot study

Answer 1

what- a small scale version of an investigation that takes place before the real investigation is conducted
aim- to check that procedures, materials, measuring, scales, etc. work and to allow the researcher to make changes/modifications if necessary

Question 2

single-blind procedure

Answer 2

what- the participants are not told the aim or other details of the study
aim- to control for the confounding effects of demand characteristics

Question 3

double-blind procedure

Answer 3

what- participants and conducting researcher not told the aim or other details of the study
aim- to control for the confounding effects of demand characteristics and experimenter bias

Question 4

control group

Answer 4

used with the purpose of comparison to the experimental group