research issues

Question 1

extraneous variables

Answer 1

any other variable other than the iv that may effect the dv. they do not vary systematically with the dv

Question 2

examples of extraneous variables

Answer 2

natural characteristics of participants e.g gender, age

Question 3

confounding variables

Answer 3

a kind of EV, however confounding variables vary systematically with the DV. therefore could possibly be the reason for the effect of the DV

Question 4

demand characteristics

Answer 4

any cues that may be interpreted by the participant as revealing the purpose of the study that may lead to change in behaviour

Question 5

investigator effects

Answer 5

any effect of the investigators behaviour on the research outcome (DV) e.g interaction

Question 6

randomisation

Answer 6

the use of change methods to control for the effects of bias when designing materials and deciding the order of experimental conditions

Question 7

standardisation

Answer 7

using the same formalised procedures and instructions for all participants in a study