TB6 P&C Lecture 1; Models of attention

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  • Created by: mint75
  • Created on: 31-12-15 12:15

1. According to Kahnemans capacity model, why does the dual task decrement arise?

  • Practice effects
  • The task requires more resources than currently available
  • Task interference
  • Researcher bias
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2. What is the main premise of dichotic listening tasks?

  • Pps have to report back the attended channel whilst filtering the unattended channel
  • Pps have to moniter speech for specific phonemes and respond as fast as possible when heard
  • Pps have to report back the unattended channel whilst filtering the attended channel
  • Pps have to discriminate between features present in the two channels

3. What is the concept of 'Categorising'?

  • Once a category is establish, members are selected on the basis of bias to the category rather than on physical features
  • Only processing events which belong to a particular category. Takes practice to establish categories/members
  • Selection of events with particular physical features = processing

4. What is change blindness?

  • Failure to detect changes in the immediate visual scene
  • Failure to see highly visible objects even though we are looking at them
  • Failure to accurately switch between modalities in high load scenes
  • Failure to accurately switch between modalities in low load scenes

5. Does the limited capacity channel in the filter model (P system) operate serially on a time-sensitive basis?

  • False, operates in parallel
  • False, is not time-sensitive
  • True
  • False

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