Effectiveness of 86.88/83.46 which is built above the 80/80.
This is the kind of multiple - choice test of 20 questions has four
Options.
difficulty (p) ranged with an average difficulty
of the test set is equal to 0.758
classification (r) with an average power of the test by
both the .385
reliability of the test by using a KR-20 formula is 86.4%