PSYC 2265 Lecture Notes - Lecture 9: Handsfree, Daniel Kahneman, Naturalistic Observation
22 Apr 2017
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Psyc 2265 lecture 9 attention (part 2) Divided attention: practice enables people to simultaneously do two things there were difficult at first, spelke et al. (1976) After hours of practice, participants could read and categorize dictated words: schneider and shiffrin (1977) Attention as limited capacity: divided attention, how many tasks can you do at once? (e. g. driving and talking, radio, phone, capacity theory (kahneman, 1973; wickens, 1984, views attention as limited in capacity, allocation based on situational demands. Wickens (1984) suggests there are more than one resource for attention: criticisms: The circularity of resources: limited resources is used to explain why two tasks are difficult, but because two tasks are difficult, this demonstrates that there are limited resources. No real satisfactory definition as of yet exists: multimode theory of attention (johnson & heinz, 1978, attention is flexible. It can be switched from early modes (physical characteristics) to late modes (meaning analysis)
