Properties of Assessment Methods

Validity

Reliability

FairnessPracticality and Efficiency

Ethics

Properties of Assessment Methods

Validity

Validity

Is the degree to which a test measures what is supposed to

measure.

Validity

Content Validity

Criterion Validity

Predictive Validity

Concurrent

Validity

Construct Validity

Content ValidityPreditiveValidity Criterion Validity Construct Validity PreditiveValidity

Concurrent Validity It is the degree which test

items match some objective criterion.

Content Validity

Content ValidityPreditiveValidity Criterion Validity Construct Validity PreditiveValidity

Concurrent Validity

Is the degree to which a test measures an attribute or quality

it is supposed to measure.

Construct Validity

Content ValidityPreditiveValidity Criterion Validity Construct Validity PreditiveValidity

Concurrent Validity

Refers to the degree or extent to which scores on a test can predict later behavior or test

scores.

Predictive Validity

Content ValidityPreditiveValidity Criterion Validity Construct Validity PreditiveValidity

Concurrent Validity

Refers to the degree of relationship between scores on

a test or scale on another measure of established validity given at about the same time.

Concurrent

Validity

Content ValidityPreditiveValidity Criterion Validity Construct Validity PreditiveValidity

Concurrent Validity

It is when the test item is judged against a specific

criterion.

Criterion Validity

Reliability

Reliability

Is the degree to which an assessment tool produces

stable and consistent results.

Reliability

Refers to the instrument’s consistency and stability.

Reliability

Inter-rater

Alternate forms

Internal consisten

cy

Test-re-test

Used to assess the degree to which different raters or observers give

consistent estimates of the same phenomenon.

Inter-rater

Used to assess the consistency of a measure from one time to another.

Test-re-test

Used to assess the consistency of the results of two tests constructed in the

same way from the same way from the same content

domain.

Alternate forms

Split-half Method

Internal consisten

cy

Cronbach’s Alpha

Average Inter-item Correlation

Average Item-total Correlation

Fairness

Fairness

Students need to know exactly what the learning targets are

and what method of assessment will be used.

Assessment has to be viewed as an opportunity to learn rather than an opportunity to weed out poor and slow learners.

Fairness

Practicalityand

Efficiency

Practicality and Efficiency

Teachers should be familiar with the test.

Number of items is not complicated.

Implementable

Ethics

Ethics

The term “ethics” refers to the question of right and wrong.

Ethics

Webster Dictionary defines ETHICAL as “conforming to the standards of conduct of a given

profession or group.”

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