Peter Hovmand's Profile
Number of items: 126
Date joined: Jun 26 2016
Peter Hovmand's Work
(Archived models)
Human Ecological Systems (HES)
The purpose of this model is to (1) demonstrate a way to represent human development that includes i
... Read more
The purpose of this model is to (1) demonstrate a way to represent human development that includes individual resources, social networks, and spatial relationships within a single model of a formal feedback theory of development, (2) provide an approach to theory development that begins with a simple model and gradually includes more complex facets of social reality (e.g., social networks, location), and (3) illustrate its application to formally testing and comparing a theory over a wider range of assumptions that can inform the design of data collection and analysis to more accurately reflect the dynamics of human development and outcomes. The approach has a wide range of possible applications in theory development and community intervention design, research, and evaluation. Examples include school-based and community based positive youth development interventions, drug use/addiction and treatment in rural settings, community responses to domestic violence, neighborhood effects and interventions, homelessness, supports for ex-offenders released from prison or jail, and health inequities.
Version 1.0 focuses on mainly working out a simple example of interactions between social networks and spatial relationships. The model (right) represents a formal theory of how people will move to be close to their nearest friend. Since friends are determined by a social network where people have different sets of friends, and people are in different locations, movement will depend on an interaction between each individual’s social network, the location of their friends, the distance to their friends, and identifying their nearest friend and comparing one’s present location to the location of one’s nearest friend. The model implements this with a random social network for 100 individuals randomly distributed in 100m by 100m coordinate space.
sim
⋮ 204 runs
human development
social theory
methodology
social networks
spatial relationships
Resilency (mobile version)
sim
⋮ 16 runs
Wellbeing Demo
sim
⋮ 118 runs
Human Resiliency
Simple proof-of-concept model of human resiliency.
sim
⋮ 1345 runs
ECD3
sim
⋮ 4 runs
Org Culture
sim
⋮ 82 runs
IHN demo
sim
⋮ 41 runs
turnover-demo
sim
⋮ 11 runs
BETTr
sim
⋮ 245 runs
PRC-screening
sim
⋮ 223 runs
Maternal Health Game
sim
⋮ 23 runs
CNH
Coupled Natural Human (CNH) systems demonstration.
sim
⋮ 163 runs
EMT
Prototype simulation model for emergency medicine training
sim
⋮ 52 runs
emergency medicine
training
Community Health Game
sim
⋮ 9 runs
Homelessness
sim
⋮ 371 runs
Services concept model
sim
⋮ 36 runs
MNH Strategic Model
Strategic model of country-level policies to reduce maternal and neonatal mortality.
sim
⋮ 855 runs
global health
maternal survival
neonatal survival
Fit statistics
The model illustrates how various statistics to measure and assess fit perform relative to source of
... Read more
The model illustrates how various statistics to measure and assess fit perform relative to source of measurement error.
Uploading a Bundle from Zip
Instead of creating bundles, categories, and assemblies one by one, you can upload a single zip file that contains all of your bundle's content. To create your zipped bundle, make a folder with your bundle's name and add subfolders with your categories' names. The folder tree should have the same structure that you want the categories to have in your bundle. Place your assembly .stmx files in the appropriate category folders, then zip your bundle folder and upload it using the Upload Bundle from Zip link above.
Assemblies, Bundles, and Categories
Assemblies are self contained models that demonstrate common ways to connect together building blocks and that can be used as parts of other models. This is analogous to using prefabricated wall and roof pieces to construct a house.
Bundles are groups of assemblies with a common use or theme. For example, a Health Care bundle might contain a variety of assemblies that aid in creating health care models. When you download assemblies from the isee Exchange™, you download an entire bundle, rather than individual assemblies.
Categories are subgroups of assemblies within a bundle. For example, a Health Care bundle might contain a Funding category for assemblies related to the management of hospital funds. All assemblies must be assigned to a category—they cannot be assigned to the root of a bundle.
Assemblies, bundles, and categories can be created and uploaded to the isee Exchange™ via the options on the Manage My Assemblies page. To learn more, visit our help pages, or take our assemblies tutorial.
Sim App (Sim)
An interface that allows users to interact with a model.
Sim apps allow users to interact with a model using buttons, sliders, knobs, tables, graphs, and storytelling. These interactions help users understand how parts of a system interact.
Interfaces are created by model authors in the Stella desktop software and can be uploaded to the isee Exchange™.
Model
A diagram that represents how elements in a system influence one another.
Models are mathematical representations of how elements in a system are connected and interact (e.g., ecosystems, organizations, supply chains). When running models on the isee Exchange™, results can be viewed in output devices like graphs and tables.
Models appear in the isee Exchange™ directory when authors upload them from the Stella® desktop software or create them with Stella Online™.
Causal Loop Diagram (CLD)
A map that represents the feedback structure of a system.
CLDs are high-level maps that represents the feedback structure of a system and easily communicate the essence of a model. They appear in the isee Exchange™ when authors upload them from the Stella desktop software or create them with Stella Online™.