Learn in the textbookClassic Software Development Models
DefinitionThe prototyping model (プロトタイピングモデル) builds a trial version (prototype) early in development and pins down requirements while users check it.
ExplanationUsers can see the actual screens and operations before commenting, so wishes that are hard to convey in documents alone come out early. Prototyping and evaluation may be repeated until opinions settle, and each extra round adds time and cost.
AnalogyIt is like showing buyers a model home before construction and asking what they want in layout and ease of use.
Memory hookThe prefix proto- means "first," so a prototype is the first form made, before the real thing.