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Related Experiment Video

Updated: May 20, 2026

An Instrumented Pull Test to Characterize Postural Responses

An Instrumented Pull Test to Characterize Postural Responses

Published on: April 6, 2019

Pitfall or scaffolding? Starting-point pull in configuration tasks.

Eliran Halali¹, Yoella Bereby-Meyer, David Leiser

¹Department of Psychology, Ben-Gurion University, Beer-Sheva 84105, Israel.

Journal of Experimental Psychology. Learning, Memory, and Cognition

|July 11, 2012

Summary

Task constraints significantly impact decision-making in configuration problems. Starting with constraints can either help or hinder achieving optimal solutions, demonstrating a "starting-point pull" effect.

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Area of Science:

Cognitive Psychology
Decision Science
Operations Research

Background:

Configuration tasks, like scheduling, involve complex decision-making under constraints.
Little is understood about how individuals approach these tasks and the influence of initial choices.
Existing literature on problem-solving and resource allocation provides a foundation for this study.

Purpose of the Study:

To investigate the effect of starting points on performance in configuration tasks.
To examine how task constraints influence the decision-making process in schedule construction.
To determine if a 'starting-point pull' effect exists and how it impacts final outcomes.

Main Methods:

Three experiments were conducted where participants constructed weekly course schedules.
Course-offering sets were manipulated to create 'Asset' and 'Obstacle' scenarios based on constraint starting points.
Think-aloud protocols were used to analyze the decision-making process.

Main Results:

Participants performed better when starting points acted as 'Assets' rather than 'Obstacles'.
A 'starting-point pull' effect was observed, where initial constraint choices influenced the entire configuration.
Constraint-based starting points were crucial for this pull effect.

Conclusions:

The initial choice of a starting point, particularly a task constraint, significantly affects the success of configuration tasks.
Myopic construction around starting points can lead to suboptimal outcomes.
Understanding this starting-point effect is crucial for improving decision-making strategies in complex configuration problems.