Lexi is a daily word-fluency workout. Everyone gets the same seven letters each day — tap them to build as many real words as you can in five minutes. Longer words score more, and the star of each day is the pangram: the one word that uses all seven letters, worth a big bonus.
The Science: Word-generation draws on verbal fluency and lexical retrieval — the abilities probed by classic measures like the Controlled Oral Word Association Test (Benton, 1967) — engaging vocabulary, processing speed, and the executive search of memory.
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