When it is necessary for you to take an employment personality test, make sure you know who the tester is.  Check if they are certified enough to facilitate the test.  Know your rights as well.  You might be charged for the test at an unreasonable amount.  You have to know if the company is only making money out of you.

Most companies let psychologists facilitate the test.  Psychologists have a certain code and conduct guide when performing tasks like employment personality tests. You can check on these online so that you would know your rights.  They treat test-takers with respect and you are assured that results are not manipulated.  If the facilitator is not a registered psychologist, chances are high that there will be discrimination.

You have the right to refuse taking a test, or taking a certain part of it.  This may result in you not getting the job.  Make sure that when your refuse, you have a basis for doing so.  One reason can be that you believe the test is inaccurate or not really necessary, or it may be that the facilitator mistreated you in one way or another.  You can bring this to the attention of the company or the company that provides the test questions.

Companies have already set a profile of an ideal employee.  By making you take the employment personality test, you are being weighed and checked if you would result close enough to that of the ideal employee profile.  The profile is based on the position you are applying for.  So if you are well-rounded but do not match that profile, they would think that you might not be compatible with the tasks that are bound to be assigned to you.

The tests being administered by the companies with regards to recruitment are done in good faith and are legitimate.  By checking on some factors discussed in this article, it is up to you to decide if you are willing to go through the test or not.