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Long-term memory is a relatively permanent type of memory, capable of storing vast amounts of information over extended periods. Its storage capacity is generally considered unlimited.
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Improving short-term memory can be achieved through techniques like chunking and rehearsal. Chunking involves organizing information into larger, more manageable units. This technique is particularly useful for information that exceeds the typical memory span of between five and nine items. For instance, logging into an online account with a password like "ta89vq0179gz" involves grouping letters and numbers into three chunks—ta89, vq01, and 79gz. It makes large amounts of...
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Related Experiment Video

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Lexical Decision Task for Studying Written Word Recognition in Adults with and without Dementia or Mild Cognitive Impairment
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Word length negatively predicts recognition memory performance.

Michael J Cortese1, David Von Nordheim2, Maya M Khanna3

  • 1University of Nebraska Omaha, Omaha, NE, USA.

Quarterly Journal of Experimental Psychology (2006)
|April 28, 2020
PubMed
Summary
This summary is machine-generated.

Word length impacts recognition memory. Longer words lead to poorer memory performance due to noisier representations, according to new research on word length and memory.

Keywords:
Recognition memoryitem noiseorthographic length

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Area of Science:

  • Cognitive Psychology
  • Psycholinguistics
  • Memory Research

Background:

  • Discrepant findings exist regarding word length's effect on recognition memory.
  • Theoretical implications necessitate resolving these discrepancies.

Purpose of the Study:

  • To investigate the influence of word length on recognition memory performance.
  • To reconcile conflicting results in existing literature.

Main Methods:

  • Three recognition memory experiments were conducted.
  • Words were controlled for frequency, orthographic similarity, age of acquisition, and imageability.
  • Orthographic length (number of letters) and syllable count were manipulated.

Main Results:

  • Orthographic length negatively correlated with recognition performance (hits minus false alarms) in Experiments 1 and 2.
  • No significant difference in recognition performance was found between one- and two-syllable words equated for orthographic length in Experiment 3.

Conclusions:

  • Results support single-process item-noise models where memory strength depends on feature probabilities.
  • Longer words create noisier memory representations compared to shorter words.