Academic English revision
Defining Terms in Your Discussion Is How AI Gives Itself Away
Repeated term definitions in your discussion section are not rigor. They are AI's people-pleasing habit leaking into your voice.
Your professor read your discussion and wrote one sentence in the margin: This reads like a textbook, not a discussion. You assumed he wanted more depth. More nuance. More so what. No. He wanted less. Less explaining. The single most telltale AI habit in a discussion section is not stiff vocabulary or robotic syntax. It is the reflexive impulse to re-define terms the reader already knows. Every redundant definition drags your register from research discourse down to science communication. And your professor can smell the register shift in about three seconds.
Why can you not define terms in a discussion? Because a discussion has exactly one job: answer so what. What does your finding mean? Where does it break down? What should practitioners do differently? Your reader is a peer who already read your introduction. They do not need you to unpack what self-efficacy is. They need you to explain why your result contradicts Smith (2021) and what that contradiction implies. The moment you pause to define a term, you demote yourself from researcher to explainer. The identity shift is audible. Professors hear it instantly.
Look at this pair. Before: Cognitive dissonance, which refers to the psychological discomfort arising from holding contradictory beliefs simultaneously, was found to mediate the relationship between feedback and motivation. After: Cognitive dissonance mediated the feedback-motivation link (beta = .34, p < .01). You lost zero information by cutting the relative clause. You gained double the pace. The bracketed statistic carries more signal than the entire refers-to construction. AI has a default setting: assume the reader is lost. Your reader is not lost. Your reader is a professor who has taught this topic for twenty years.
Second pair. Before: Self-efficacy, defined as an individual's belief in their capacity to execute actions required to achieve specific goals (Bandura, 1977), played a significant role in predicting task persistence. After: Self-efficacy (Bandura, 1977) remained a significant predictor of task persistence across all three cohorts. The Bandura citation IS the definition. You do not need to spell it out again. And notice what I added to the rewrite: across all three cohorts. That is boundary specification. That is what a discussion is for. AI will never volunteer this because it does not know what your data actually looks like. It just fills space with definitions to look thorough.
So when is defining appropriate? First mention in your introduction: fine, one sentence. Cross-disciplinary citation in a lit review: half a sentence, acceptable. Discussion? Your terms already made their entrance in the intro. The reader has them. Defining them again is the most visible AI tell I have seen in student work. It is the verbal equivalent of over-explaining a joke. You are telling your professor: I am not sure you remember what I said on page two. That is worse than a grammar error. A grammar error is a skill gap. Redundant definitions in a discussion are a confidence gap. And AI is full of that.
Third pair. Before: The findings suggest that growth mindset, a belief that abilities can be developed through effort and learning, is a more malleable target for intervention than fixed mindset. After: Growth mindset proved a more malleable intervention target than fixed mindset, with effect sizes (d = 0.62) supporting targeted curriculum redesign. What did I add? An effect size. A direction. A practical implication. That is the actual work of a discussion. AI spends its word budget on definitions, so your conclusions get squeezed into the corner like an afterthought. Kill the definitions. Redistribute those words to so what. Every sentence of a discussion should push the reader one step further into implication. A definition pushes them zero steps.
Practical fix: finish your discussion, then search the document for defined as, refers to, which is, a term that. Every hit is a suspect. Cut it. Not sure? Ask yourself: does my professor need me to explain this word? He knows it better than you do. If a sentence reads like a telegram after you cut, good. That is the density a discussion should have. I never do this pass by hand anymore. I dump the section through easydue and it flags the redundant definitional clauses for me to confirm. Saves me about twenty minutes per draft, which I spend sharpening the implication sentences instead. Your professor judges your discussion in three seconds. A term definition will not help him judge it. It will only make him suspect you used a machine.