How might the following examiner variables affect the validity of the test results? a. Personal bias and expectation b. Difficulty in understanding what the examinee says c. Lack of knowledge of the...

How might the following examiner variables affect the validity of the test results?

a. Personal bias and expectation

b. Difficulty in understanding what the examinee says

c. Lack of knowledge of the particular disability

d. Lack of experience testing and working with the particular exceptionality

e. Lack of special communication skills (e.g., American Sign Language)

f. Lack of knowledge of the client’s first language

g. Lack of knowledge of the specific ethnic group