Answer :
The effect of different genres of music, such as jazz, rock, and rap, on task performance, the type of measurement scale the genres of music represent is Nominal.
Throughout reviewed research, the music advanced overall performance on attention duties, either by way of listening or by using it within a technique to modulate temper and motivation. Meta-valuation is a study method that determines which versions of studies process growth or decrease result in effects.
The outcomes from the music display that undertaking overall performance changed into extensively higher in silence and occasional Arousal tune than in the presence of noise of high Arousal music. there has been no full-size difference between overall performance in the HA and noise conditions with both being destructive to performance.
Disclaimer: your question is incomplete, please see below for a complete question
A)Ratio
B)Interval
C)Ordinal
D)Nominal
Hence, the answer is option D.
Learn more about music here:-https://brainly.com/question/20410080
#SPJ4