Question

Identify the problem with using this sentence in a research paper:

Answer 1

There'sno slang or first or second person which leaves us with:
language used is a barrier to undertsand

And considering I have no idea what that sentence is talking about I can infer that it's the correct answer.

Answer 2

Possibly reword/revise it so it’s clearer?

The majority of skill areas are typically* made up of the fundamental hierarchies learned at the earliest stages of development.

*change word as necessary