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Halo effect 0:29
A 29-second explainer of Halo effect, narrated over the same demo you can try yourself.
Try the interactive Halo effect demo
What this video covers
The halo effect occurs when one positive trait - often appearance - unfairly shapes how we judge unrelated qualities. A well-designed interface feels more trustworthy and easier to use, even if it’s functionally identical to a plain one, because its polish casts a glow over everything else. This is the engine behind the aesthetic-usability effect, and it’s double-edged: a polished surface buys goodwill and forgiveness, but it can also hide real flaws - yours and others’. Earn the halo with real quality, and don’t let a shiny veneer stop you from scrutinising substance.
Both cards carry the same facts - same specs, same price - yet the polished one just feels better made, doesn't it? Nothing about the actual product changed; only the surface did. That's the halo effect: a single strong impression spilling over onto judgements it never earned, which is why presentation can quietly outvote substance.
