PhysPort Assessments: Rotational Kinematics Inventory

Assessments »Rotational Kinematics Inventory

Rotational Kinematics Inventory (RKI)

Developed by K K Mashood and Vijay A Singh Homi

Purpose	To probe deficiencies in understanding and eliciting ill-suited reasoning pattern around rotational kinematics.
Format	Multiple-choice
Duration	50-60 min
Focus	Mechanics Content knowledge (Part 1: rotational kinematics of a particle, Part 2: rotational kinematics of a particle in rectilinear motion, Part 3: rotational kinematics of a rigid body about a fixed axis)
Level	Intro college

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Sample questions from the RKI Part 1: Rotational Kinematics of a Particle

Sample question from RKI Part 2: Rotational Kinematics of a Particle in Rectilinear Motion:

Sample question from the RKI Part 3: Rotational Kinematics of a Rigid Body About a Fixed Axis:

RKI Implementation and Troubleshooting Guide

Everything you need to know about implementing the RKI in your class.

K. Mashood and V. Singh, Rotational kinematics of a rigid body about a fixed axis: Development and analysis of an inventory, Eur. J. Phys. 36 (4), 1 (2015).

RESEARCH VALIDATION
more details

Silver Validation
This is the second highest level of research validation, corresponding to at least 5 of the validation categories below.

Research Validation Summary

Based on Research Into:

Student thinking

Studied Using:

Student interviews
Expert review
Appropriate statistical analysis

Research Conducted:

At multiple institutions
By multiple research groups
Peer-reviewed publication

The multiple-choice questions on the RKI were developed based on a content mapping, cognitive analysis and literature review. The initial RKI questions were given to 50 students and 12 teachers, who were interviewed about their responses. The questions underwent expert review and then were given to an additional 50 students, who provided written explanations for each response. The RKI was then given to over 1200 high school and introductory college physics students in two countries, and over 50 teachers. Appropriate analyses of reliability, difficulty and discrimination were conducted and reasonable values found. The developers also conducted a item response curve analysis. The RKI has been given to over 1200 students and the results published in four peer-reviewed publications and one dissertation.

References

K. Mashood and V. Singh, Rotational kinematics of a particle in rectilinear motion: Perceptions and pitfalls, Am. J. Phys. 80 (8), 720 (2012).
K. Mashood and V. Singh, Rotational kinematics of a rigid body about a fixed axis: Development and analysis of an inventory, Eur. J. Phys. 36 (4), 1 (2015).
K. Mashood and V. Singh, An inventory on rotational kinematics of a particle: Unravelling misconceptions and pitfalls in reasoning, Eur. J. Phys. 33 (5), 1301 (2012).
A. Reimers and S. Beeler-Duden, Modification of a Physics Rotational Kinematics Concept Inventory for use with Engineering Dynamics Students, presented at the ASEE Virtual Annual Conference Content Access, Online, 2020.

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