A grid of words appears — click all the items belonging to the given category before time runs out. Tests semantic memory organisation and attentional guidance by category. Based on Collins & Quillian (1969) and Duncan & Humphreys (1989).
Very Easy
16 words, 4 targets, 60s per round, 4 rounds.
Easy
20 words, 5 targets, 50s per round, 5 rounds.
Medium
25 words, 6 targets, 40s per round, 6 rounds.
Hard
30 words, 7 targets, 30s per round, 7 rounds.
Expert
36 words, 8 targets, 20s per round, 8 rounds.
Scientific Background
Based on: Semantic Categorical Search (Collins & Quillian, 1969; Duncan & Humphreys, 1989) (Collins et al., 1969)