quiz 1

Question 1

Self-selected sampling

Answer 1

volunteer based

Question 2

Stratified sampling

Answer 2

choose participants in a way that proportionally represents target population

Question 3

Participant variability

Answer 3

difference between the groups

Question 4

Credibility

Answer 4

degree to which study reflects reality

Question 5

Generalizability

Answer 5

degree to which results can be applied to larger population

Question 6

Independent variable

Answer 6

variable causing change

Question 7

Dependent variable

Answer 7

variable that may/may not change based on IV

Question 8

Operationalized variables

Answer 8

variables that are written in a way so that its clear what’s being measured

Question 9

Experimental hypothesis

Answer 9

prediction of what will happen (includes IV and DV)

Question 10

Null hypothesis

Answer 10

statement that IV will not impact DV

Question 11

Demand characteristics

Answer 11

when participants guess intentions of experiment

Question 12

Internal validity

Answer 12

degree of confidence that what’s being tested is not influenced by other factors

Question 13

External validity

Answer 13

being able to generalize findings of experiment

Question 14

Construct validity

Answer 14

how well did you operationalize your variables

Question 15

Independent measures design

Answer 15

participants are randomly allocated to a group

Question 16

Matched pair design

Answer 16

participants are not randomly allocated, they’re matched to form groups

Question 17

Repeated measures design

Answer 17

each participant is tested under both the treatment and the control conditions

Question 18

Qualitative

Answer 18

data that is descriptive

Question 19

Quantitative

Answer 19

data that is numerical