pilot studies + single/double- blinds Flashcards
1
Q
what is a pilot study?
A
small-scale version of an investigation which is done before the real investigation is done
- identify potential problems
2
Q
what is a single-blind procedure?
A
researchers do not tell the ppts if they are being given a test treatment or control treatment
3
Q
why are single-blind procedures done?
A
avoids demand characteristics
4
Q
what is a double-blind procedure?
A
neither the ppts or the experimenter knows who is recieving a particular treatment
5
Q
why are double-blind procedures done?
A
- prevent bias
- reduce investigator effects
6
Q
why are control groups used?
A
results can be compared
