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Learning is the process of acquiring knowledge or skills through practice or experience, leading to long-lasting behavioral changes. This acquisition occurs through interaction with the environment and requires practice or experience. For instance, mastering a skill such as surfing requires considerable practice and experience, highlighting the essential role of repeated interactions with the environment in learning.
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Related Experiment Video

Updated: May 21, 2026

Study Motor Skill Learning by Single-pellet Reaching Tasks in Mice
06:04

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Published on: March 4, 2014

The "pure-study" learning curve: the learning curve without cumulative testing.

Henry L Roediger1, Megan A Smith

  • 1Department of Psychology, Box 1125, Washington University, One Brookings Drive, St. Louis, MO 63130-4899, USA. roediger@wustl.edu

Memory & Cognition
|May 31, 2012
PubMed
Summary
This summary is machine-generated.

Testing plays a crucial role in human learning, not just measuring it. Our experiments demonstrate that incorporating test trials significantly enhances learning curves in both free recall and paired-associate tasks.

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Area of Science:

  • Cognitive Psychology
  • Educational Psychology
  • Neuroscience of Learning

Background:

  • Traditional learning models assume learning occurs solely during study periods, with tests serving only as measurement tools.
  • Previous research indicated minimal impact of test trials on learning curves, even with varying test frequencies.
  • However, contrasting evidence suggests testing actively promotes long-term learning more effectively than studying alone.

Purpose of the Study:

  • To investigate the impact of test trials on the shape and effectiveness of the learning curve.
  • To compare learning curves generated under pure-study conditions versus standard study-test conditions.
  • To determine if additional study time in a pure-study format can match the efficacy of a study-test format.

Main Methods:

  • Three experiments were conducted manipulating the number of study trials and the inclusion of test trials.
  • Experiment 1 and 2 compared "pure-study" learning curves (study trials followed by a single final test) with standard learning curves (alternating study and test trials) in free recall and paired-associate learning, respectively.
  • Experiment 3 further compared a standard study-test condition with a study-study condition, providing extra study trials in the latter.

Main Results:

  • Standard learning curves (study-test) showed more rapid increases and reached higher levels compared to pure-study curves in both free recall and paired-associate learning.
  • Even with additional study trials, the standard study-test condition consistently resulted in superior retention on both immediate and delayed tests.
  • These findings challenge the notion that learning is confined to study periods, highlighting the active role of testing.

Conclusions:

  • Test trials are critical components in the development of learning, significantly shaping the learning curve.
  • Cognitive processes engaged during testing are as vital for learning as those engaged during studying.
  • This research necessitates a revision of learning theories to incorporate the active contribution of retrieval practice during testing phases.