Question

What does "them" refer to? Choose the phrase that completes the sentence.

A problem with some tests is that they label people as either
one personality type or another. For example, on many tests, a
person is classified as either an introvert or an extrovert,
when in reality, most people have characteristics of both and
fall somewhere between the two types. Results that are overly
simple may not provide them with many new understandings
about themselves.
Results that are overly simple may not provide
with many new understandings about themselves.

Answer 1

Results that are overly simple may not provide "people" with many new understandings about themselves.

Answer 2

In this sentence, "them" refers to "most people." The complete sentence is:

"Results that are overly simple may not provide most people with many new understandings about themselves."