Studies show that the MBTI is both reliable and valid (Edwards et al, 2010 Thompson & Borrello, 1986 Capraro & Capraro, 2002). The questions on psychological assessments are psychometrically tested for reliability and validity. You’re telling me that these things matter? Yes! They can all alter the results received from the assessment.
The participant did not answer the questions from the correct mindset.
Here are the most common reasons why type changes: How Can the MBTI be Reliable? My Type Changed!
Let’s take a few minutes and break down the most common arguments against the MBTI, then look at scientific, peer-reviewed studies that contradict those claims. The assessment is misused and misquoted on a regular basis. Many love to hate the Myers-Briggs Type Instrument (MBTI), claiming it is not psychometrically valid or reliable, while others purport that the results are meaningless because they are not based on continuous variables.
