The most common and most likely answer to this crossword clue is the 4 letter word CRIT
C
R
I
T
More clues leading to the result CRIT
Buddy explains!

The straight part
We know that "evaluation" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case evaluation = crit.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does CRIT mean?
CRIT noun- Criticism.
- Critique.
- A proponent of critical legal studies.
- A criterium race.
- A critical hit.
- To land a critical hit on.
- Short for haematocrit.