Answer:
In terms of size it is adequate . Sample isn't randomly selected
Step-by-step explanation:
In order for the sampling ot be adequate the sample size must be large enough which in this case it is. The samples must also be randomly selected. Here, the sample includes students from one course only. In order for the study to represent whole population that is college students, students from other courses must also be included. Junior as well as senior students must also be part of this study.