Be wary if a site says it will reveal answers such as the
best job for you, the type you should marry, or the type of
employees you should hire.
Be wary of a site that says or implies some types are better,
healthier, or more desirable in any way than others.
Be wary of a site that presents type preferences as skills,
ability, or indicators of mental health or illness.
Be wary if a site advocates the use of psychological type
as a way of putting people at a disadvantage or manipulating
Be wary if a site insinuates that its organization or instrument
is the only way to learn one's psychological type.
Be wary if a site offers a questionnaire that is clearly not
the MBTI® instrument, but claims or insinuates that results are
the same as would be obtained from the MBTI instrument.
Be wary if a site offers instruments purporting to measure
psychological type yet offers no information on reliability,
validity, and research of these claims.
Be wary if a site identifies types using the same preference
names and type codes as the MBTI instrument but does not acknowledge
where the terms come from and does not clearly state it is not
the MBTI instrument.
Be wary of a site that uses copyrighted material without permission
and/or omits trademark notices.
Be wary of a site that presents type preferences as fixed
behaviors or stereotypes that do not vary among individuals
or insinuates that type explains everything about an individual.
Be wary of a site that says MBTI results are infalliblethat
the type shown by the Indicator is always the best-fit type.
Be wary of a site linking another instrument to the MBTI instrument
without evidence of a researched validated connection.