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What are the main methods to analyze the reliability of psychological and educational measurement? (Thesis Title) Educational Measurement and Statistics
The basic requirement of the test is that the test must be stable and accurate, that is, it can be believed to be effective.

Reliability of the test: the degree of reliability and consistency. It is an index that reflects the consistency of test scores under different conditions.

There are four factors that affect reliability:

1. Length of test

2. Test the homogeneity of the population

3. The difficulty of the test

4. Subjective factors of raters

Second, the validity of the test: also known as validity. It is an index that reflects the correctness and accuracy of measurement.

Methods of estimating validity: content validity; Conceptual validity; Standard validity

There are three factors that affect effectiveness:

System error of 1. test

2. The nature of the sample

3. The subjective state of the subjects gives people a rose hand, which is still fragrant for a long time. If it helps you, please click like.