UNIT 1

Question 1

Theories

Answer 1

organized set of concepts that explain phenomena

Question 2

Hypothesis

Answer 2

predication of how two or more factors are likely related

Question 3

Replication

Answer 3

same method used from an experiment to check if results are the same

Question 4

Independent variable

Answer 4

factor the researcher manipulates (cause)

Question 5

Dependent variable

Answer 5

factor that is measured (effect)

Question 6

Experimental group

Answer 6

group that receives treatment or independent variable

Question 7

Control group

Answer 7

comparison group that is absent of the independent variable

Question 8

Operational definition

Answer 8

description of the specific procedure used to determine the presence of a variable

Question 9

Experimenter bias

Answer 9

when a researchers expectations of the outcome of a study influences the results

Question 10

Demand characteristics

Answer 10

clues participants discover about the experiment and suggest how they should respond

Question 11

Placebo

Answer 11

treatment is given to the control group that has no active ingredient

Question 12

Placebo effect

Answer 12

believing the independent variable will have an effect rather than the actual effect

Question 13

Standard deviation

Answer 13

measures the average difference between each set and mean of data set

Question 14

Central tendency

Answer 14

average or most typical score

Question 15

Normal distribution

Answer 15

a bell-shaped curve that represents data about how lots of human characteristics are dispersed

Question 16

Percentile score

Answer 16

percentage of scores at or below a specific score
(1-99)

Question 17

Inferential statistics

Answer 17

statistics use to draw conclusions and collect data