Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

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):

Levels of Use of a GIS

Levels of Use of a GIS

Geographic Information Systems (GIS) operate across three levels of application, each representing an increasing degree of complexity: data management, analysis, and prediction. These levels reflect the expanding functionality and versatility of GIS technology in handling spatial data for diverse purposes.Data ManagementAt its foundational level, GIS serves as a tool for data management, enabling the input, storage, retrieval, and organization of spatial data. This level is often employed in...

What is a Mode?

What is a Mode?

The mode is one of the commonly used measures of a central tendency. It is defined as the most frequent value in a data set.
There can be more than one mode in a data set if multiple values have the same highest frequency. For instance, suppose that the Statistics exam scores of 20 students are: 50; 53; 59; 59; 63; 63; 72; 72; 72; 72; 72; 76; 78; 81; 83; 84; 84; 84; 90; 93. Here, the mode is 72, as it occurs most frequently, five times.
A data set with two modes is called bimodal. For example,...

Design Example: Analyzing Capacity Contours for Flood Risk Assessment

Design Example: Analyzing Capacity Contours for Flood Risk Assessment

Flood risk assessment involves careful planning and analysis to ensure the safety of communities near water retention structures. Capacity contours are a vital tool in this process, as they illustrate the potential spread of water at specific levels in a given area. In the context of building a bund across a small valley, these contours play a critical role in evaluating the safety of nearby residential areas.In this example, the bund is intended to store stormwater in the valley. The engineers...

Design Example: Measuring Distance Between Two Points with Obstructions

Design Example: Measuring Distance Between Two Points with Obstructions

When measuring distances in areas with physical obstructions, such as a lake in a field, surveyors must employ techniques to calculate accurate lengths without direct line measurements. One effective method is the offset technique, which allows for precise distance estimation over inaccessible stretches.In this scenario, a surveyor must measure a side of an area that crosses a lake. Since the measuring tape cannot span the lake, the surveyor begins by establishing a baseline that aligns with...

Multicompartment Models: Overview

Multicompartment Models: Overview

Multicompartment models are mathematical constructs that depict how drugs are distributed and eliminated within the body. They segment the body into several compartments, symbolizing various physiological or anatomical areas connected through drug transfer processes such as absorption, metabolism, distribution, and elimination.
These models offer a more comprehensive representation of drug behavior in the body than one-compartment models. They accommodate the complexity of drug distribution,...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by

Same author

ActiveCA: Time use data from the general social survey of Canada to study active travel.

Environment and planning. B, urban analytics and city science·2026

Same author

TTS2016R: A data set to study population and employment patterns from the 2016 Transportation Tomorrow Survey in the Greater Golden Horseshoe area, Ontario, Canada.

Environment and planning. B, urban analytics and city science·2026

Same author

Well-being implications of immobility during COVID-19: evidence from a student sample in Bangladesh using the satisfaction with life scale.

Transportation·2023

Same author

2022 <i>JGS</i> best paper award and the editors' choice paper volume 25(1).

Journal of geographical systems·2023

Same author

Introducing spatial availability, a singly-constrained measure of competitive accessibility.

PloS one·2023

Same author

Children's Access to Non-School Destinations by Active or Independent Travel: A Scoping Review.

International journal of environmental research and public health·2022

Search research articles

Related Experiment Video

Updated: Jul 2, 2025

Using Informational Connectivity to Measure the Synchronous Emergence of fMRI Multi-voxel Information Across Time

Using Informational Connectivity to Measure the Synchronous Emergence of fMRI Multi-voxel Information Across Time

Published on: July 1, 2014

Multimodal spatial availability: A singly-constrained measure of accessibility considering multiple modes.

Anastasia Soukhov¹, Javier Tarriño-Ortiz², Julio A Soria-Lara²

¹Department of Earth, Environment and Society, McMaster University, Hamilton, Canada.

|February 23, 2024

Summary

This study introduces a new accessibility measure, multimodal spatial availability, to accurately count opportunities. This method prevents overcounting and provides interpretable results for diverse travel behaviors and policies.

More Related Videos

Using the Race Model Inequality to Quantify Behavioral Multisensory Integration Effects

Using the Race Model Inequality to Quantify Behavioral Multisensory Integration Effects

Published on: May 10, 2019

Modeling the Functional Network for Spatial Navigation in the Human Brain

Modeling the Functional Network for Spatial Navigation in the Human Brain

Published on: October 13, 2023

Related Experiment Videos

Last Updated: Jul 2, 2025

Using Informational Connectivity to Measure the Synchronous Emergence of fMRI Multi-voxel Information Across Time

Using Informational Connectivity to Measure the Synchronous Emergence of fMRI Multi-voxel Information Across Time

Published on: July 1, 2014

Using the Race Model Inequality to Quantify Behavioral Multisensory Integration Effects

Using the Race Model Inequality to Quantify Behavioral Multisensory Integration Effects

Published on: May 10, 2019

Modeling the Functional Network for Spatial Navigation in the Human Brain

Modeling the Functional Network for Spatial Navigation in the Human Brain

Published on: October 13, 2023

Area of Science:

Urban Planning
Transportation Geography
Spatial Analysis

Background:

Conventional accessibility measures often overcount opportunities, leading to ambiguous results.
The total number of opportunities is a known quantity that can be used to constrain accessibility calculations.
Spatial availability is a singly-constrained measure that addresses overcounting issues.

Purpose of the Study:

To extend the spatial availability measure for multimodal scenarios and heterogeneous populations.
To develop a more interpretable and accurate place-based accessibility metric.
To evaluate the application of this enhanced measure in real-world urban planning contexts.

Main Methods:

Derivation of a multimodal spatial availability measure.
Illustration of the measure's features using a synthetic dataset.
Application to an empirical case study of low emission zones in Madrid, Spain.

Main Results:

The multimodal spatial availability measure provides singly-constrained accessibility values that sum to the total number of opportunities.
The measure effectively handles diverse travel behaviors across multiple modes.
The application to Madrid's low emission zones demonstrates its practical utility in policy evaluation.

Conclusions:

Multimodal spatial availability offers a more accurate and interpretable approach to place-based accessibility.
The method has significant implications for evaluating urban policies, such as low emission zones.
Future research should explore further applications and refinements of this accessibility framework.