Some of the 50 students should have been assigned to a control group that used the in-person course is the concerns makes their conclusion inappropriate.
A learning program that is done in a virtual setting and is organized in accordance with a syllabus is known as an online course. Online courses can be informal and focused on learning a specific skill, or formal and leading to a certification or degree.
Because you may arrange the learning materials so that students can deepen their understanding of a particular subject, online courses are the modernized form of traditional courses. The main component of it is a curriculum, or study plan, broken down into modules.
Thus, Some of the 50 students should have been assigned to a control group.
For more information about online course, click here:
https://brainly.com/question/18913847
#SPJ1