chance-half correlation vs split-half correlation

chance-half correlation and split-half correlation both are nouns.

Word	Noun	Adjective	Verb	Adverb
chance-half correlation	Yes	No	No	No
split-half correlation	Yes	No	No	No

As nouns, chance-half correlation and split-half correlation are synonyms defined as:

chance-half correlation and split-half correlation: a correlation coefficient calculated between scores on two halves of a test; taken as an indication of the reliability of the test

chance-half correlation (noun)	split-half correlation (noun)
a correlation coefficient calculated between scores on two halves of a test; taken as an indication of the reliability of the test	a correlation coefficient calculated between scores on two halves of a test; taken as an indication of the reliability of the test