Table of Contents
Assessing Students’ Understanding of Measurement Uncertainty
Research Focus
Schools Investigated to Date
Research Method
Student Sample
List the following measurements in order from the most precise to the least precise and explain your reasoning: A: 9.7 m, 13 m, 1.45 m, 2.1 m, 0.005 m B: 9.7 s, 13 g, 1.45 m, 2.1 A, 0.005 N
Expert answers
What makes one measurement more precise than another?
A group of students are told to use a meter stick to find the length of a hallway. They take 6 independent measurements (in cm) as follows: A: 440.2, 421.7, 434.5, 523.4, 437.2, 428.9 B: 440.2, 421.7, 434.5, 492.5, 437.2, 428.9 What result should they report? Explain your answer.
Data Analysis for Question#2
How should data be treated?
How were answers reported?
Principle Student Findings
Further Research Questions
“It is better to be roughly right than precisely wrong.”
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Author: Scaleup-24
Email: deardorf@unity.ncsu.edu
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