Ethical Issues in Psychological Testing  Describe at least two reliability issue

Ethical Issues in Psychological Testing 
Describe at least two reliability issues associated with the development (construction/design) of psychological tests.
Explain the impact these issues have on score consistency.
Describe at least two validity issues associated with the development (construction/design) of psychological tests.
Explain how these issues affect item selection and test accuracy
Identify a court case related to psychological testing development (construction/design) that has had a significance on the mental health field.
Why is this case important and how has it influenced the future development of test measurements?