Question
|
Answer
|
What is psychometrics?
|
The measurement or study of psychological measurement
|
What is Overt behaviour
|
Observable behaviour
|
What is covert behaviour
|
mental or social action that is not immediately observable
|
Example of an Individual test
|
IQ test
|
Example of a group test
|
Class test
|
Three types of Ability tests
|
Achievement tests, Aptitude tests and Intelligence tests
|
What does a personality test measure?
|
Measure typical behaviour and a persons individuality
|
Who is the Father of Psychology?
|
Wilhelm Wundt
|
Who is the Father of modern psychometrics?
|
Francis Gallon
|
What book did he write?
|
Hereditary Genius
|
Name 3 of Cattells mental tests:
|
strength of hand, rate of hand movement and weight differentiation
|
What was Alfred Binnets aim?
|
Classification
|
What did he measure
|
Practical judgement
|
What does the overall goal provide?
|
a systematic framework for the project
|
What is the aim of Content Definition?
|
to operationally define the construct being measured
|
What is Reliability?
|
consistency in measurement
|
When is a test reliable?
|
if it's able to give similar accurate measurements repeatedly
|
What is a true score?
|
by taking the average of all an individuals observed scores
|
What does SEM stand for?
|
Standard error of measurement
|
What are the four assumptions of classical test theory?
|
Each person has a true score, There is always measurement error, the true score of an individual does not change with repeated applications and the distribution of random errors will be the same for everyone.
|
How is SEM calculated?
|
How much an observed score differs from the true score, on average
|
When is a test more reliable?
|
When there is a larger sample size
|
What are the four types of Reliability?
|
Test-retest, Parallel forms, internal consistency and inter-rater
|
What is test-retest reliability?
|
when a person completes the same test at two different points in time
|
What is parallel forms reliability?
|
When two forms of the same test are administered
|
What is Internal consistency reliability
|
When different items in the same test all measure the same thing to the same extent
|
What does Inter-rater reliability measure?
|
how consistently 2 or more raters agree on rating someone
|
What is a satisfactory agreement?
|
0.4 to 0.75
|
What are the factors influencing reliability?
|
Number of items in the test, variability of the sample and extraneous variables
|