Question: Mang Tado, a 35-year-old jeepney driver was administered with the PAI to check if he has signs and symptoms of psychopathology. His results revealed that he has signs of psychopathology. However, it was found later identified that he only has the reading ability of a 2nd grader. With this scenario, it can be inferred that his results in the PAI are Select one: a. Invalid because he might have faked his responses to appear as a normal individual b. Valid because he took the test in a conducive environment which helped him concentrate c. Valid because he honestly answered all items despite not being able to understand them d. Invalid because he might not have understood the meaning of most of the items