Chapter 4

Question 1

Dependent variable

Answer 1

an experiment study, the phenomenon that is measured and expected

Question 2

independent variable

Answer 2

phenomenon manipulated by the experimenter in a study and expected to influence the dependent variable

Question 3

internal validity

Answer 3

the extent to which the results of a study can attributed to the IV after confounding alternative explanation have been ruled out

Question 4

external validity

Answer 4

the extent to which research findings generalize to people and setting not involved

Question 5

control group

Answer 5

a group of individuals in a study who are similar to the experimental subjects in every way but are not exposed to the treatment received but the experimental

Question 6

statistical significance

Answer 6

the probably of obtaining the observed by chance is small

Question 7

clincail sgnificance

Answer 7

degree to which research finding have useful and meaningful application to relay problems

Question 8

placebo effect

Answer 8

behavior change resulting from the person’s expectation of change rather than from the experimental manipulation itself

Question 9

double blind

Answer 9

procedure in outcome studies that prevent bias by ensuring neither the subjects nor the experimenter knows who has the experimental treatment and who has the placebo treatment

Question 10

human genome project

Answer 10

ongoing scientific attempt to develop a comprehensive map of all human genes

Question 11

genetic linkage analysis

Answer 11

study that seeks to match the inheritance pattern of a disorder to that of a genetic marker. establish the location of the genes responsible for a disorder