I’ve never lifted a rhino. Never touched one. And I know it’s hard, almost impossible, to lift it with my single right hand. Alone. This might sound like an odd way to begin, but stay with me: this rhino is a metaphor for one of education’s most frustrating problems: how to grade fairly in team projects. The Rhino and the Pizza Imagine a project like hoisting a chubby rhino into your second-floor bedroom. It’s heavy work. Too much for one person. You need a team, maybe even a crane. Since it’s collaborative, someone inevitably does more, while someone else does less. Egalitarianism is a fantasy in teamwork. Now, let’s swap out the rhino’s heliporting endeavour for something lighter: pizza. Whether you cut it into six slices or eight, if you and your friends finish the whole pizza, you’ve eaten 100% of it. The shape doesn’t matter. The crust doesn’t matter. What matters is that all slices add up to a whole. Projects are the same. Whether it’s lifting a rhino or building a locomotive, the total work always adds up to 100%. The real question is: Who contributed how much to that 100%?
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