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KVS subjects

Psychology (40)Pedagogy (10)

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Human DevelopmentNational Curriculum FrameworkSensory, Attentional and Perceptual ProcessesVariations in Psychological AttributesHuman MemoryThinkingLearning

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Which discipline studies the relationship between physical stimuli and the sensations they evoke?Read the answer and worked solution →What is the minimum value of a stimulus needed to activate a given sensory system called?Read the answer and worked solution →What is the span of attention, often called the magical number, in Miller's studies?Read the answer and worked solution →Which of the following is NOT a binocular cue to depth perception?Read the answer and worked solution →

Worked practice questions

Which discipline studies the relationship between physical stimuli and the sensations they evoke?

  1. Cognitive ergonomics
  2. Psychophysics
  3. Behavioural genetics
  4. Cultural psychology
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Correct answer: B. Psychophysics

1. The chapter defines a stimulus as something that activates a sensory receptor. 2. It states that the link between a stimulus and the sensation it produces is studied in a specific discipline. 3. That discipline is named in bold in the text as psychophysics. 4. So the field investigating stimulus to sensation mapping is psychophysics. _Source: syllabus Psychology Ch 4 "Sensory, Attentional and Perceptual Processes", p. 62, Sense Modalities_

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What is the minimum value of a stimulus needed to activate a given sensory system called?

  1. Fringe of attention or attentional rim
  2. Difference threshold or sensory limen
  3. Absolute threshold or absolute limen
  4. Perceptual span or fixation point
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Correct answer: C. Absolute threshold or absolute limen

1. The chapter explains that a stimulus must carry a minimum value to be noticed at all. 2. It defines this minimum activating value as the absolute threshold. 3. An alternative term used in the same paragraph is absolute limen, abbreviated AL. 4. Hence the correct term is absolute threshold or absolute limen. _Source: syllabus Psychology Ch 4 "Sensory, Attentional and Perceptual Processes", p. 62, Functional Limitations of Sense Organs_

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What is the span of attention, often called the magical number, in Miller's studies?

  1. Three plus or minus zero items at one time
  2. Five plus or minus one item at one time
  3. Nine plus or minus three items at one time
  4. Seven plus or minus two items at one time
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Correct answer: D. Seven plus or minus two items at one time

1. Box 4.2 reports Miller's finding on how many items people grasp from a brief exposure. 2. It states that span of attention varies within the limit of seven plus or minus two. 3. This range is popularly called the magical number in the same paragraph. 4. So the magical number is seven plus or minus two. _Source: syllabus Psychology Ch 4 "Sensory, Attentional and Perceptual Processes", p. 65, Box 4.2 Span of Attention_

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