Psychologists
use reliability and validity as measures of a test's quality
, and for purposes of comparing different tests. Reliability means consistency or accuracy. Reliability is the ability of a test to produce consistent and stable scores.
What are the qualities of a good test?
- Isolated (unaffected by the presence, absence, or results of other tests)
- Automated.
- Quick to write.
- Quick to run.
- Unique (providing confidence not provided by other tests/uncorrelated. with other tests)
What are the 5 qualities of a good test?
- Objectivity: The test should be free from subjective—judgement regarding the ability, skill, knowledge, trait or potentiality to be measured and evaluated.
- Reliability: …
- Validity: …
- Norms: …
- Practicability:
What are the three main qualities of a good test?
- Characteristic # 1. Reliability:
- Characteristic # 2. Validity:
- Characteristic # 3. Objectivity:
- Characteristic # 4. Usability:
What makes a bad test?
A bad test
fails on random or desirable change
: randomly, whenever someone refactors the code with no behavior change, when the environment it is executed in changes, when a new feature is introduced, etc. Too many bad tests means that development wastes time fixing tests any time they want to get anything done.
What is reliability of a test?
Test reliability refers to
the extent to which a test measures without error
. It is highly related to test validity. Test reliability can be thought of as precision; the extent to which measurement occurs without error.
What are the 4 types of psychological tests?
- Personality Tests.
- Achievement Tests.
- Attitude Tests.
- Aptitude Tests.
- Emotional Intelligence Tests.
- Intelligence Tests.
- Neuropsychological Tests.
- Projective Tests.
What are typical IQ tests like?
IQ tests are offered online and from testing organizations. The average test consists
of 30 multiple-choice questions
. Depending on the test taker's age and intelligence, as well as the test's length, it may take anywhere from 20 minutes to two hours to complete an IQ test.
What does a good test mean?
A good test
should be highly reliable
. This means that the test should give similar results even though different testers administrate it, different people scores in different forms of the test are given and the same person takes that test at two or more different times.
What are two basic requirements of a good test?
Requirements of a. A test ought to be practical — within the means of
financial limitations, time constraints, ease of administration, and scoring and interpretation
. A test of language proficiency that takes a student 10 hours to complete is impractical.
What factors determine if a test is a good measurement tool?
- Validity. The most important characteristics of any good test are validity. …
- Reliability. The meaning of reliability is accuracy and consistency. …
- Usability. It refers to the extent to which the test can be used without much expenditure of money effort and time.
What is poor test?
A bad test is
one that an organization uses consistently
, is backed by folklore and plenty of personal anecdotes, but has never been critically evaluated.
What are some test taking strategies?
- Be prepared. …
- Always arrive early and take a moment to relax. …
- Listen attentively to last minute instructions given by the instructor. …
- Do a memory dump. …
- Read the test directions very carefully and watch for details. …
- Plan how you will use the allotted time. …
- Look for cues. …
- Answer all the questions.
Why am I so bad at multiple choice tests?
Students perform poorly on multiple choice exams for a multiplicity of reasons:
lack of understanding of the doctrines being tested
, not being “test wise,” poor exam construction, to name just a few. It was necessary to find a way to separate out these different strands.
What are the 4 types of reliability?
| Type of reliability Measures the consistency of… | Test-retest The same test over time. | Interrater The same test conducted by different people. | Parallel forms Different versions of a test which are designed to be equivalent. | Internal consistency The individual items of a test. |
|---|
What are the 3 types of reliability?
Reliability refers to the consistency of a measure. Psychologists consider three types of consistency:
over time (test-retest reliability), across items (internal consistency), and across different researchers (inter-rater reliability)
.
