5 Main Characteristics of a Good Psychological Test Flashcards
What are the 5 main characteristics of a good psychological test?
Objectivity
Practicability
Norms
Reliability
Validity
The test should be free from subjective—judgement regarding the ability, skill, knowledge, trait, or potentiality to be measured and evaluated.
Objectivity
The test must be practicable in: a. time required for completion, b. the length, c. number of items or questions, scoring, etc.
Practicability
Refer to the average performance of a representative sample on a given test.
Norms
Refers to the extent to which the obtained results are consistent over time.
Reliability
What are the measures of reliability?
Test-retest, internal consistency, interrater agreement reliability
The correlation of scores in different occasions.
Test-retest
The degree to which the separate questions or items of a test are all measuring the same thing.
Internal consistency
Raters has the same scores or judgment.
Interrater agreement reliability
The extent to which the test measures what it intends to measure.
Validity
What are the methods of testing validity?
Criterion validity
Construct validity
Consistency of the test over another criterion.
Criterion validity
Items are generated from a theory and other studies if no available criterion.
Construct validity
