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Galton Board JS Model
written by Wolfgang Christian
content provider: Anne Cox
A Galton board is a vertical board with n rows of pegs onto which a ball is dropped.   Each time a ball hits a peg, it has a probability p of bouncing to the left and a probability of 1-p of bouncing to the right. The simulation's histogram shows the distribution of x-coordinates as the balls leave the board and are collected into bins.

The JavaScript simulation gives rise to the binomial distribution if the probabilities of left and right bounces are equal. At first there does not seem to be any pattern but after many trials the familiar "bell curve" shape begins to emerge.

The Galton Board JavaScript Model was developed using version 5 of the Easy Java/JavaScript Simulations (EjsS) modeling tool and is distributed as a ready-to-run html page and requires only a browser or tablet with JavaScript support.
1 source code document is available
Subjects Levels Resource Types
General Physics
- Computational Physics
- Measurement/Units
= Error
Mathematical Tools
- Probability
Thermo & Stat Mech
= Binomial Distribution
- Lower Undergraduate
- Middle School
- High School
- Upper Undergraduate
- Instructional Material
= Model
= Simulation
Intended Users Formats Ratings
- Learners
- Educators
- application/javascript
- text/html
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Access Rights:
Free access
License:
This material is released under a Creative Commons Attribution-Noncommercial-Share Alike 3.0 license.
Rights Holder:
Wolfgang Christian
PACSs:
01.50.hv
07.05.Tp
02.50.-r
Record Cloner:
Metadata instance created December 14, 2014 by Wolfgang Christian
Record Updated:
June 15, 2015 by Lyle Barbato
ComPADRE is beta testing Citation Styles!

Record Link
AIP Format
W. Christian, Computer Program GALTON BOARD JS MODEL (2014), WWW Document, (https://www.compadre.org/Repository/document/ServeFile.cfm?ID=13383&DocID=3965).
AJP/PRST-PER
W. Christian, Computer Program GALTON BOARD JS MODEL (2014), <https://www.compadre.org/Repository/document/ServeFile.cfm?ID=13383&DocID=3965>.
APA Format
Christian, W. (2014). Galton Board JS Model [Computer software]. Retrieved December 15, 2017, from https://www.compadre.org/Repository/document/ServeFile.cfm?ID=13383&DocID=3965
Chicago Format
Christian, Wolfgang. "Galton Board JS Model." https://www.compadre.org/Repository/document/ServeFile.cfm?ID=13383&DocID=3965 (accessed 15 December 2017).
MLA Format
Christian, Wolfgang. Galton Board JS Model. Computer software. 2014. 15 Dec. 2017 <https://www.compadre.org/Repository/document/ServeFile.cfm?ID=13383&DocID=3965>.
BibTeX Export Format
@misc{ Author = "Wolfgang Christian", Title = {Galton Board JS Model}, Year = {2014} }
Refer Export Format

%A Wolfgang Christian
%T Galton Board JS Model
%D 2014
%U https://www.compadre.org/Repository/document/ServeFile.cfm?ID=13383&DocID=3965
%O application/javascript

EndNote Export Format

%0 Computer Program
%A Christian, Wolfgang
%D 2014
%T Galton Board JS Model
%U https://www.compadre.org/Repository/document/ServeFile.cfm?ID=13383&DocID=3965


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Citation Source Information

The AIP Style presented is based on information from the AIP Style Manual.

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Galton Board JS Model:

Is Based On Easy Java Simulations Modeling and Authoring Tool

Use the Easy Java Simulations Modeling and Authoring Tool to edit and to explore the source code for the Galton Board JS Model.

relation by Lyle Barbato

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