Validity & Reliability

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Validity & Reliability by Mind Map: Validity & Reliability

1. For example, an English test is divided into vocabulary, spelling, punctuation and grammar. The internal consistency reliablity test provides provides a measures that these test are measured correctly and are reliable.

2. Internal Validity

2.1. Measurement which ensures that a researchers experiment follows the cause and effect.

3. Criterion Vaildity

3.1. Asses whether a test reflects a certain amount of student's abilites.

4. Concurrent Validity

4.1. Measures the test results against a benchmark and high correlation indicates that the test has a strong criterion validity.

5. Inter-rater Reliability

5.1. Assessed by having two or more independent judges score the test

5.2. Scores are then compared to determine the consistency of the raters estimates

5.3. To test the reliabilty, have the rater assign each test item a score

6. External Validity

6.1. Both essential elements in judging the students strenght and abilites

6.2. They are commonly used for the purpose of measurement and treatment variables

7. Predictive Validity

7.1. A measure of how well a test predicts a students abilites

7.2. Involves testing a group of students of subjects for a certian construct

7.3. Comparing them with results obtained at some point in the future

8. Test & Re-test Reliability

8.1. The test is administred twice at two different points in time

8.2. To make a comparison of the results used to access the consistency of a test over a period of time

9. Parallel-Forms Reliability

9.1. Is gauged by compring two different test that were created using the same content

10. Content Vailidity

10.1. Estimates how much a measure represents the single element of a construct

10.2. For example, an educational test with strong content validity will represent the subjects actually taught to students, rather than asking unrelated questions

11. Construct Validity

11.1. Defines how well a test or experiment measures up its claim

11.2. ex: A test that was designed to measure ADHD in young children; must only measure that particular construct

12. Internal Consistency Reliability

12.1. Used to judge the consistency of the results and of items on the same test

13. Reliabilty- refers to the consistency of a measure. A test is considered reliable uf we get tge sane results repeatedly