Which type of reliability assesses the consistency between different observers?

Inter-observer reliability is the correct term used to assess the consistency between different observers. It measures the degree to which different observers produce similar results when measuring the same phenomenon or behavior. This type of reliability is crucial in fields where subjective judgments may lead to varying interpretations or reports, such as in counseling or behavioral assessments. Ensuring that multiple observers reach similar conclusions helps to increase the credibility and validity of the findings, as it indicates that the assessments are not solely dependent on individual biases or interpretations.

Test-retest reliability refers to measuring the stability of results over time by administering the same test on two different occasions. Split-Half reliability evaluates the internal consistency of a test by comparing the scores from two halves of the same test. Inter-item reliability assesses the consistency between items on a single test or survey, ensuring that they measure the same construct. While all these types of reliability are important in ensuring accuracy and validity in measurement, inter-observer reliability specifically focuses on the agreement among different assessors.