![]() ![]() However, it can only be effective with large questionnaires in which all questions measure the same construct. The split-half method is a quick and easy way to establish reliability. 25) should either be removed or rewritten. For example, any items on separate halves of a test with a low correlation (e.g., r =. The reliability of a test could be improved by using this method. If the two halves of the test provide similar results, this would suggest that the test has internal reliability. A test can be split in half in several ways, e.g., the first half and the second half or by odd and even numbers. ![]() ![]() This is done by comparing the results of one half of a test with the results of the other half. There, it measures the extent to which all parts of the test contribute equally to what is being measured. The split-half method assesses the internal consistency of a test, such as psychometric tests and questionnaires. ![]()
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