Lecture 4 Assessment

Lecture 4 Assessment - Assessment Psychology 360 Lecture 4...

Info iconThis preview shows pages 1–6. Sign up to view the full content.

View Full Document Right Arrow Icon
Assessment Psychology 360 Lecture 4
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Reliability To what extent is something measured without error? We usually assume that a categorization system is reliable if the same label is given to a particular phenomenon each time the phenomenon occurs. Inter-rater reliability: Agreement between observers or raters that a phenomenon has occurred.
Background image of page 2
Validity Validity is the degree to which a category is an accurate reflection of reality. Do the predictions and theoretical premises associated with a particular category turn out to be accurate? Have we measured what we say we have measured?
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
What is the Relation between Reliability and Validity? Is it possible for a diagnostic category to be reliable but not valid? Is it possible for a diagnostic category to be valid but not reliable?
Background image of page 4
Dimensions vs. Categories A categorical conceptualization is all-or-none. You either have a disorder or you do not. A dimensional model assumes that a problem
Background image of page 5

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 6
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 21

Lecture 4 Assessment - Assessment Psychology 360 Lecture 4...

This preview shows document pages 1 - 6. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online