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<p>Still, “downgrade” is not really appropriate to describe generally a change of major, since presumably the student thinks that his/her new major is overall an upgrade for him/her, even if it may be a downgrade in a specific aspect, like a specific aspect of learning, or job and career prospects.</p>
<p>However, it is possible that changes of major may not be made with careful enough consideration, and what the student thinks is an upgrade now may later turn out to be a downgrade that s/he will regret in hindsight (because of lost opportunities to learn something, or inability to find a job that pays enough to pay off student loans).</p>