Receptiveness n. : The quality of being receptive.

Example:
I'm looking for statistics on peoples increased Receptiveness to blue as opposed to black pen ink.?

Taxonomy
receptiveness, Synonyms, Dictionary, art, cep, ness, Thesaurus, WordNet, openness, receptivity, dream symbols, Unanswered questions, open-mindedness, responsiveness, Webster 1913, Houghton Mifflin Company, history, Literature & Language.

Defination from the web:
receptive. ... Ready acceptance of often new suggestions, ideas, influences, or opinions: open-mindedness, openness, receptivity, responsiveness. See accept/reject. ...