research issues

Question 1

extraneous variable

Answer 1

any variable other than the iv that could effect the dv if not controlled, they do not vary systematically with the iv.

Question 2

confounding variable

Answer 2

any variable other than the iv that can effect the dv, however it varies systematically with the iv and so it is had to tell what is effecting the dv, the iv of the cv.

Question 3

demand characteristics

Answer 3

any cue from the researcher or research situation that could be interpreted as the the aim of the study, through experimental design or investigator effects, that change the natural behavior of the pps

Question 4

investigator effects

Answer 4

any effect on the researchers behavior, conscious or nonconscious, that effects the outcome of the dv.
eg design of study, interactions, physical appearance.

Question 5

randomization

Answer 5

the use of chance methods to control for effects of bias when designing an investigation and order of experimental conditions.