POL 51 Lecture 5: POL 51 Lecture 5
Premium

2 Pages
94 Views
Unlock Document

Department
Political Science
Course
POL 51
Professor
C H R I S T Ycahill
Semester
Spring

Description
Measurement: How do we determine values of X and Y (and Z) ● Ex: How does attitude toward the environment affect vote choice? ● Measurement: systematic observation and representation by scores or numerals ● Operationalization: the process of defining concept to make it measurable in the form of variable ● The method of operationalization can be different but it's how you make your argument that allows you to select one method. ● Characteristics of good measurement: ○ Reliability: consistency or repeatability of a measure ex: weight scale ○ Validity: how accurately a measure represents the concept it is supposed to measure; ex: midterm exams or LSAT ■ Face validity: how well it appears to measure the concept ■ Content validity: how well it captures the essential elements and excludes unrelated elements ■ Construct validity: how well it agrees with related measures according to relevant theories ■ Leading questions reduce the validity of the matter ○ Precision: a measure’s level of refinement, exactness or specificity ex: age ● On a scale of 1-5, with 5 being extremely warm welcome to 1 being not welcome at all, how do you feel about undocumented immigrants entering and living in the country ● Sampling: both observational and experimental studies rely on samples ● Goal is to generalize our work to a larger population ○ Ex: the city of Davis ○ Studying whole population difficult ● Ran
More Less

Related notes for POL 51

Log In


OR

Join OneClass

Access over 10 million pages of study
documents for 1.3 million courses.

Sign up

Join to view


OR

By registering, I agree to the Terms and Privacy Policies
Already have an account?
Just a few more details

So we can recommend you notes for your school.

Reset Password

Please enter below the email address you registered with and we will send you a link to reset your password.

Add your courses

Get notes from the top students in your class.


Submit