1. State the level of measurement for each variable (nominal, ordinal, interval, ratio):

Variable	Level of Measurement
Race
Time measures (in minutes)
Yelp ratings (1-5 starts)
Blood type
Number of students in lab today
Age (in years)
Temperature (Kelvin)
SAT scores
Number of crimes committed each year
Height (inches)
Community type (urban, rural, suburban, etc.)
How satisfied are you with the service (Ranking of 1-5)

1. Complete the following chart with pluses and minuses (plus for yes, minus for no).

	Ranked	Equal distance between attributes	True zero
Nominal
Ordinal
Interval
Ratio

1. Choose a concept related to criminal justice that you find interesting (i.e., sexual assault, drug use, fear of crime, police accountability, recidivism, etc.). Then identify three ways in which this concept could be operationalized (measured) using three different methods of collection (i.e., survey, observations, interviews, secondary data).

Example (cannot use):

Concept: Recidivism

1. Rearrest rate (secondary data - police arrest records)
2. Conviction rate (interviews - have you been convicted of a new crime in the past year?)
3. Reimprisonment rate (surveys - have you been in jail or prison in the past two years?)

Concept: ______________________

A.

B.

C.