Although I appreciate Chapter 27, "Conducting Effectiveness Studies," Petschenik does not provide significant recognition of the typical barriers for lesson-learned sessions.

尽管我很欣赏第27章“进行效率研究”，但是Petschenik并没有对学术会议上典型的障碍给予足够的重视。

youdao

While conducting a demonstrative lesson in an unfamiliar class, a teachers four effective ways are enthusiasm, humor, instruction, and a pre-class ta.

教师借班上课，总会碰到因不了解学生、不熟悉环境，而导致教学预设不当、师生无法有效沟通产生的教学阻隔现象。

youdao

While conducting a demonstrative lesson in an unfamiliar class, a teachers four effective ways are enthusiasm, humor, instruction, and a pre-class ta.

教师借班上课，总会碰到因不了解学生、不熟悉环境，而导致教学预设不当、师生无法有效沟通产生的教学阻隔现象。

youdao