title: Selectivity and strategy in early search.
mesh_terms: D000367:Age Factors; D002675:Child, Preschool; D005260:Female; D006801:Humans; D007223:Infant; D007802:Language; D008297:Male; D002666:Psychology, Child; D013028:Space Perception; D013037:Spatial Behavior; D013997:Time Factors