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Measuring differential nodal distance using the function acquisition speed test.

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Summary
This summary is machine-generated.

The Function Acquisition Speed Test (FAST) shows that stimulus relatedness depends on how stimuli are connected within learned classes. This suggests FAST can assess stimulus relationships beyond simple class formation.

Keywords:
Derived relational respondingFunction acquisition speed testImplicit measuresNodal distanceStimulus equivalenceStimulus relatedness

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Area of Science:

  • Behavioral Psychology
  • Stimulus Relations
  • Equivalence-Based Learning

Background:

  • The Function Acquisition Speed Test (FAST) is sensitive to participant learning histories.
  • Previous research shows FAST is affected by baseline training for stimulus equivalence.
  • The relationship between FAST stimulus relatedness and nodal distances within stimulus classes is unexplored.

Purpose of the Study:

  • To investigate if stimulus relatedness in FAST varies with nodal distances within equivalence classes.
  • To determine if FAST can assess the relative relatedness of stimuli in complex classes.
  • To explore FAST as an adjunct assessment for stimulus class structure.

Main Methods:

  • Trained 16 participants in forming two 4-member equivalence classes using arbitrary nonsense syllables.
  • Administered three FAST assessments to probe stimulus pair relatedness at different nodal distances.
  • Analyzed group and individual data to assess the impact of nodal distance on FAST relatedness.

Main Results:

  • Group analyses confirmed that stimulus relatedness in FAST varies with nodal distances in pre-trained equivalence classes.
  • Individual-level analyses indicated variability in FAST results.
  • The study demonstrated a functional relationship between nodal distance and perceived stimulus relatedness.

Conclusions:

  • Stimulus relatedness within FAST is influenced by the nodal distance between stimuli in established equivalence classes.
  • FAST shows potential as a tool to assess the structure and relatedness within complex stimulus classes.
  • Further research is needed to refine FAST for reliable individual-level assessments of stimulus relations.