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The randomization process involves assigning study participants randomly to experimental or control groups based on their probability of being equally assigned. Randomization is meant to eliminate selection bias and balance known and unknown confounding factors so that the control group is similar to the treatment group as much as possible. A computer program and a random number generator can be used to assign participants to groups in a way that minimizes bias.
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E. C. Tolman emphasized the purposiveness of behavior — the idea that much of our behavior is goal-directed. For instance, employees who aim for a promotion work diligently to meet their targets. Tolman argued that when classical conditioning and operant conditioning occur, the organism acquires certain expectations. In classical conditioning, a child might fear a dog because they expect it to bite. In operant conditioning, a person might consistently work overtime because they expect a...
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Related Experiment Video

Updated: Jul 26, 2025

Using MazeSuite and Functional Near Infrared Spectroscopy to Study Learning in Spatial Navigation
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Are we talking about practice? A randomized study comparing simulation-based deliberate practice and mastery learning

Andrew Petrosoniak1, Jonathan Sherbino2,3,4, Thomas Beardsley5

  • 1Division of Emergency Medicine, Department of Medicine, University of Toronto, St. Michael's Hospital, Toronto, ON, Canada. petro82@gmail.com.

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|June 16, 2023
PubMed
Summary
This summary is machine-generated.

Mastery learning and deliberate practice did not significantly improve bougie-assisted cricothyroidotomy skill performance compared to self-guided practice. However, this method did lead to faster performance times in emergency medicine residents.

Keywords:
AirwayCricothyroidotomySimulation

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Area of Science:

  • Medical Education
  • Surgical Skills Training
  • Emergency Medicine

Background:

  • Simulation-based training is crucial for high acuity, low occurrence (HALO) medical procedures.
  • Mastery learning and deliberate practice (ML+DP) are effective but resource-intensive educational methods.
  • Evaluating ML+DP against self-guided practice for rare procedures is essential.

Purpose of the Study:

  • To compare the effectiveness of ML+DP versus self-guided practice for bougie-assisted cricothyroidotomy (BAC) skill acquisition and retention.
  • To assess the impact of different training methods on skill performance, including accuracy and speed.
  • To determine the long-term retention of skills learned through ML+DP and self-guided practice.

Main Methods:

  • A multi-center randomized study involving 176 emergency medicine residents.
  • Random assignment to either ML+DP or self-guided practice groups for BAC training.
  • Video-based skill performance evaluation by blinded experts at pre-test, post-test, and 6-12 month retention intervals.

Main Results:

  • All participants showed significant improvement in BAC skill performance (GRS) from pre-test to post-test.
  • No significant difference in Global Rating Scale (GRS) scores between ML+DP and self-guided groups at post-test or retention.
  • ML+DP group demonstrated significantly faster performance times at the retention test compared to the self-guided group.

Conclusions:

  • ML+DP and self-guided practice yielded similar overall skill performance in BAC.
  • ML+DP training resulted in improved skill performance time, indicating enhanced efficiency.
  • Further research may explore optimizing resource-intensive methods like ML+DP for HALO procedures.