Sometimes called analytical thinking or reasoned analysis. The honest version is domain-specific: critical thinking in medicine looks different from critical thinking in marketing.
Critical thinking is the ability to evaluate evidence, weigh trade-offs, and form a defensible judgement under ambiguity. The structure looks similar across domains — start with the evidence, frame the question, examine the alternatives, choose, communicate the reasoning — but the substance is domain-specific. Critical thinking in clinical medicine is not interchangeable with critical thinking in software architecture.
The honest practical question for a student is whether they can demonstrate critical thinking in their target field, not whether they can demonstrate it in the abstract. The demonstration is the work — a feasibility study, a strategic recommendation, a code review with rationale.
Every Ewance challenge requires critical thinking on the rubric — usually as a criterion explicitly named. The student's deliverable shows the reasoning, the alternatives considered, and the trade-offs accepted. The rubric grade on that criterion is a record of how the work was assessed by someone who knows what good thinking in the domain looks like.
The fastest way to know whether challenge-based learning fits you is to ship one.