题目选项分析

Although elementary school children have traditionally received considerable instruction in creating visual art, there has been no such instruction in music. Consequently, in contrast to the situation for visual art, most people as adults do not recognize the artistic intentions of composers. To remedy this situation, a few educators now recommend teaching elementary school students to compose music.

Which of the following, if true, is the strongest basis for arguing that implementation of the recommendation will not lead to the desired result?

【选项】The recommendation is based on the results of a controlled longitudinal study conducted in three schools within a single city.