Final answer:
The emotion described by a student who fakes being sick to skip school and then isn't allowed to enjoy the day would be 'disappointment'. This feeling is due to the unmet expectation of having a fun day off, similar to the anticipation and subsequent displeasure of missing activities due to actual illness.
Step-by-step explanation:
The emotion that a student would likely feel when pretending to be sick to get out of school, and then being prohibited by their mom from doing anything fun, can best be described as disappointment. This feeling arises from the expectation of enjoying a day off and the subsequent letdown when this expectation is not met. It is similar to experiencing a disruption of health due to a viral infection with symptoms like a fever, sore throat, and cough, but in this scenario, the student's ailment is not genuine. There is also an emotional parallel with the 'worry about missing class', although in the case of feigning illness, the concern might be more about the lost opportunity for leisure rather than academic commitments. The scenario does not align with feelings of amusement, which implies humor or enjoyment, nor with frustration, which entails annoyance due to blockages of goals, and not quite regret, which is a feeling of sadness or disappointment over something that has happened. Rather, it centers squarely on the thwarted hope of having a pleasurable day off, hence, disappointment.