Juan was trying his luck as a painter. one day in frustration he just tossed some different paints on the blank canvas in no particular order. when he showed his "masterpiece" to his friends, they began describing the ambiguous splotches according to their personal needs, conflicts, hopes, and fears. unknowingly, juan had created a(n) test.

Projective test

Explanation:

Projective test -

It is a type of personality test , which make the person respond to any ambivalent stimuli , which can disclose any secret emotions or problems present in the person's mind , is known as projective test .

This test is also referred to as self - report test and objective test .

Hence, from the given scenario of the question,  

Juan randomly threw colors and just created a awesome piece , depicting it to be  projective test.

answer; /// i believe the correct answer is (b) disposition