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The Availability Heuristic

The Availability Heuristic

A heuristic is a general problem-solving framework (Tversky & Kahneman, 1974). You can think of these as mental shortcuts that are used to solve problems. Different types of heuristics are used in different types of situations, and the impulse to use a heuristic occurs when one of five conditions is met (Pratkanis, 1989):

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Related Experiment Video

Updated: May 20, 2026

High-throughput Fluorometric Measurement of Potential Soil Extracellular Enzyme Activities

High-throughput Fluorometric Measurement of Potential Soil Extracellular Enzyme Activities

Published on: November 15, 2013

[Not Available].

Journal De Chirurgie

|July 17, 2012

Summary

This summary is machine-generated.

Examining at least 12 lymph nodes in colon cancer surgery is crucial for accurate staging and prognosis. This practice serves as a vital marker for surgical quality and patient outcomes.

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Last Updated: May 20, 2026

High-throughput Fluorometric Measurement of Potential Soil Extracellular Enzyme Activities

High-throughput Fluorometric Measurement of Potential Soil Extracellular Enzyme Activities

Published on: November 15, 2013

Ex Vivo Assessment of Contractility, Fatigability and Alternans in Isolated Skeletal Muscles

Ex Vivo Assessment of Contractility, Fatigability and Alternans in Isolated Skeletal Muscles

Published on: November 1, 2012

A Submerged Filter Paper Sandwich for Long-term Ex Ovo Time-lapse Imaging of Early Chick Embryos

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Published on: December 28, 2016

Area of Science:

Oncology
Surgical Pathology

Context:

Lymph node metastasis is a critical prognostic factor in colon cancer.
The extent of lymph node dissection influences cancer staging and treatment decisions.

Purpose:

To evaluate the prognostic significance of lymph node dissection in colon cancer.
To determine the optimal extent of lymphadenectomy for staging and patient outcomes.

Summary:

Lymphadenectomy plays a key role in colon cancer staging, treatment selection (e.g., adjuvant chemotherapy for Stage III), and assessing surgical quality.
Studies indicate a correlation between the number of examined lymph nodes and long-term survival, particularly in Stage II disease.
Recovering 12 lymph nodes is associated with a better prognosis and serves as a marker for high-quality surgical resection and pathological examination.

Impact:

Highlights the importance of thorough lymph node examination for accurate colon cancer prognostication.
Suggests that the number of examined lymph nodes can reflect the quality of surgical management and pathological assessment.
Informs evidence-based recommendations for adjuvant chemotherapy and surgical practice standards in colon cancer care.