Quiz 2

Question 1

A variable

Answer 1

Gender, social media use

Question 2

An attribute

Answer 2

Options of a variable

Question 3

Levels of measurement

Answer 3

Nominal, ordinal, interval, ratio

Question 4

Nominal

Answer 4

Names/attributes of measurement but no order (gender, countries)

Question 5

Ordinal

Answer 5

Order to measurement but the intervals are not the same

Question 6

Interval

Answer 6

Has order and intervals are the same, no true zero (Fahrenheit)

Question 7

Ratio

Answer 7

Requires order, intervals, and a true zero

Question 8

Precision

Answer 8

How precise is your measurement (to what decimal, half inch, etc.)

Question 9

Accuracy

Answer 9

Do we get it right or not

Question 10

Reliability

Answer 10

Consistency of measurement (are they the same between different tests)

Question 11

Validity

Answer 11

Is your response a good gauge of what happens in reality

Question 12

Face validity

Answer 12

Do results LOOK valid

Question 13

Content validity

Answer 13

Does our measurement approach include different dimensions of that concept

Question 14

Criterion-related validity (AKA Concrete validity)

Answer 14

The degree to which a test can predictively (in the future) or concurrently (in the present) measure something

Question 15

Construct validity

Answer 15

Does it measure what it means to measure

Question 16

Bogardus Social Distance Scale

Answer 16

Willingness of people to participate in social relations of varying degrees of closeness with other kinds of people

Question 17

Thurstone Scale

Answer 17

Consider a student GPA at BU, estimate how strong an indicator of a student’s GPA each item is on a scale of 1-10

Question 18

Likert Scale

Answer 18

Please indicate whether you “strongly agree” “agree” “disagree” “strongly disagree”

Question 19

Semantic Differential Scale

Answer 19

Questionnaire format where respondents rate something in terms of two opposite adjectives

Question 20

Guttman Scale

Answer 20

Types of composite measures used to summarize several discrete observations to represent more general variables

Question 21

Cronbach’s Alpha

Answer 21

Indicated reliability of measurement, below 0.70 is concern

Question 22

Factor Analysis

Answer 22

Identifies which variables are strongly correlated and should be grouped

Question 23

Empirical relationships

Answer 23

Establish when respondents answers to one question help us predict how they answer other questions

Question 24

Bivariate relationships

Answer 24

Correlations

Question 25

Multivariate relationships

Answer 25

Prediction

Question 26

Categorical variables

Answer 26

Categories (race, gender, eye color)

Question 27

Continuous variables

Answer 27

Can take on large quantity of answers (age, height)

Question 28

Dichotomous variables

Answer 28

Two responses, yes or no

Question 29

Boolean searches

Answer 29

More precise searches using words such as AND, OR, NOT or symbols such as quotation marks to indicate you want to limit a search to an exact phrase

Question 30

Search plan

Answer 30

A list of search words and phrases that would likely lead to information on your research topic