In the Early Days of Personality Assessment,one Common Validation Technique

In the early days of personality assessment,one common validation technique was to have people take the test and then have a clinician write a description of the examinee's personality structure based on the test results.The description would then be provided to the examinee who would rate how much they agreed with the description.What is the major threat to this technique?

A) Flynn effect
B) Forer effect
C) Projective effect
D) Content invalidation