research issues

Question 1

extraneous variable

Answer 1

any variable that may affect the dependent variable if it is not controlled

Question 2

confounding variables

Answer 2

extraneous variable that interfers with the relationship betweeen an experiment’s IV and DV

Question 3

demand characteristics

Answer 3

any cue from the researcher or from the research situation that may be interpreted by participants as revealing the purpose of an investigation - can influence participants behaviour

Question 4

investigator effects

Answer 4

when the researcher influences the behaviour of the participants
- through behaviour, personality or appearance

Question 5

standardisation

Answer 5

when the researcher makes the extraneous variables the same for all the participants in a study

Question 6

random allocation

Answer 6

participants are assigned a t random to experimental groups

Question 7

counterbalancing

Answer 7

an attempt to control for the effects of order in a repeated measures design: half in the opposite order

Question 8

how do you deal with participant variables ?

Answer 8

matching - when a particular characteristic of the participant is divided equally across the groups
random allocation - assigned randomly