Physics Mixed Questions in Subject Proficiency Test Feature Heavy Calculations, Tutoring Sector Predicts Drop in Top and Upper Benchmarks

(CNA reporter Chen Chih-chung, Taipei, July 13) Tutoring experts analyzing the Subject Proficiency Test for the 115th academic year noted that the difficulty level of the physics multiple-choice questions was similar to last year's. However, the second section—"mixed questions"—involved significantly more calculations, making it a key differentiator among high-scoring students. As a result, experts predict the top and upper benchmarks will drop by 1 to 2 points compared to last year.

Today, De Sheng Education invited a team of tutoring instructors to analyze the exam. Instructor Lu Yi-chung pointed out that most multiple-choice questions were modified from previous years' formats, with no significant change in difficulty. Therefore, the average, lower, and bottom benchmarks are expected to remain unchanged from last year.

However, the mixed-question section involved much heavier calculations than last year. Lu emphasized that this posed a serious challenge to students' time management, given the 80-minute time limit. Spending too long on calculations could leave students struggling to finish.

The most difficult "boss-level" question was the set from questions 21 to 23. Lu explained that the problem was adapted from the "high-low resistance method" experiment taught in the curriculum but included modifications—such as adding a 100-ohm resistor into the setup—testing students' understanding of variable resistance concepts, which could create blind spots in their reasoning.

Lu noted that question 22, in particular, would involve extremely complex calculations if approached in detail. Fortunately, it was designed as a multiple-choice question, allowing test-takers to use strategic techniques, such as analyzing options, to identify the correct answer.

Question 23 required written explanations or calculation steps. Although the numbers were designed to avoid infinite decimals, the process was lengthy. Any small mistake during the process could result in lost points. Despite being worth only 2 points, this question likely consumed a disproportionate amount of time.

Tutoring institutions estimate this year's five benchmarks (top, upper, average, lower, and bottom) at 50, 43, 31, 20, and 15 points, respectively—compared to 52, 44, 31, 20, and 15 in the 114th academic year. (Editor: Chen Jen-hua) 1150713

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