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Forgetting is a complex cognitive phenomenon influenced by several factors, among which interference and decay are particularly prominent. These processes explain why individuals often struggle to retrieve specific information from memory, leading to lapses in recall that can be observed in everyday situations.
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Consider two sources of sound, that may or may not be in phase, emitting waves at a single frequency, and consider the frequencies to be the same.
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The information-processing theory of cognitive development centers on fundamental mental processes, including attention, memory, and problem-solving skills. Researchers in this field examine how cognitive abilities, such as working memory, evolve and influence children's overall development. Studies indicate that children with stronger working memory tend to excel in reading comprehension, math, and problem-solving compared to peers with less efficient memory skills. Low working memory is...
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Despite the strong genetic influence on traits like intelligence, environmental factors significantly shape outcomes. For example, while over 90% of height variation is due to genetic differences, environmental factors such as nutrition also have a notable impact. Similarly, for intelligence, changes in a child's surroundings can significantly alter their IQ. Research shows that enriched environments boost children's academic success and help them develop key cognitive skills. Children...
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Elementary math in elementary school: the effect of interference on learning the multiplication table.

Dror Dotan1, Sharon Zviran-Ginat2

  • 1Mathematical Thinking Lab, School of Education and the Sagol School of Neuroscience, Tel Aviv University, 6997801, Tel Aviv, Israel. dotandro@mail.tau.ac.il.

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Summary

Reducing interference during multiplication fact learning improves memory. This study found that teaching dissimilar facts together enhances long-term memory retention in first graders.

Keywords:
Long-term memoryMath teaching methodsMultiplication tableProactive interference

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Area of Science:

  • Cognitive Psychology
  • Educational Psychology
  • Child Development

Background:

  • Memorizing multiplication tables presents significant challenges for elementary students due to the high number of similar facts, leading to memory interference.
  • Current pedagogical methods for teaching multiplication facts may not adequately address the issue of memory interference.

Purpose of the Study:

  • To investigate if reducing interference during multiplication fact learning improves student learning outcomes.
  • To identify the specific memory processes underlying any observed learning improvements.

Main Methods:

  • First-grade children participated in 16 training sessions over 4 weeks, learning 4 multiplication facts per week.
  • Training involved conditions of low interference (dissimilar facts) and high interference (similar facts).
  • Learning was assessed, and the impact on long-term memory was evaluated 7 weeks post-training.

Main Results:

  • Learning was significantly better when multiplication facts were dissimilar (low interference) compared to when they were similar (high interference).
  • The interference effect stemmed from the similarity of facts within a learning week, not from previously learned facts.
  • The observed benefits on long-term memory persisted for 7 weeks and directly impacted long-term memory, bypassing working memory.

Conclusions:

  • Reducing interference by grouping dissimilar multiplication facts enhances learning and long-term memory retention in young children.
  • This low-interference training method offers a novel pedagogical approach that differs from current practices and may improve multiplication table instruction.