Concepts and-measurement

Ad

Ad

Ad

Ad

Ad

Ad

Ad

Ad

Ad

Ad

Ad

Ad

Concepts <ul><li>creating explanations </li></ul><ul><li>building concepts </li></ul><ul><li>measurement </li></ul>

creating explanations <ul><li>Independent Variable </li></ul><ul><li>Explanatory Variable </li></ul><ul><li>Driving Force ...

units <ul><li>Unit of analysis: the level the dependent variable is being measured; the case </li></ul><ul><ul><li>Ex: Na...

what is a concept? <ul><li>Gerring : “an alignment among three intertwined components: the term ( a linguistic label compr...

How do we build (background/systematized) concepts? <ul><li>process of adjustment to maximize fulfillment of the criteria ...

“ ideology”

from concept to indicator

Measurement: sensitive , valid, reliable <ul><li>Sensitivity : extent to which cases are homogenous within the value of y...

measurement levels <ul><li>nominal : variation in kind or type; categories </li></ul><ul><ul><li>Example: married, living ...

Measurement: sensitive, valid, reliable <ul><li>Valid: extent to which what you measure is what you say you measure </l...

Measurement: Construct Validity <ul><li>Construct Validity: extent to which what you measure behaves as it should within ...

Measurement: convergence and divergence <ul><li>Convergent: alternative measures of a concept should be strongly correlate...

Measurement: sensitive, valid, reliable <ul><li>Reliable: extent to which a measure is free from random error; measures ...

True score theory & reliability <ul><li>The error term has two components: </li></ul><ul><li>Random Error: the more reli...

Assessing reliability <ul><li>test-retest: about consistency of response to a treatment; assumes the characteristic being...

Elkins example <ul><li>graded v. dichotomous measures of democracy </li></ul>

Concept & Measurement Exercise <ul><li>describe each level for your concept </li></ul><ul><li>identify a scale (nominal, o...

Share SlideShare

Facebook
Twitter
LinkedIn

Embed

Size (px)

Show related SlideShares at end

WordPress Shortcode

Link

LinkedIn
Facebook
Twitter
Email

Replay

Top clipped slide

1 of 18 Ad

1 of 18 Ad