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Version 1.2 – Updated June 2023

Teacher clarity

Overview

  • Influence: Teacher clarity
  • Domain: Teacher
  • Sub-Domain: Teacher attributes
  • Potential to Accelerate Student Achievement: Potential to considerably accelerate
  • Influence Definition: Teacher clarity relates to organization, explanation, examples and guided practice, and assessment of student learning. It can involve clearly communicating the learning intentions of the lessons and the success criteria. Clear learning intentions describe the skills, knowledge, attitudes, and values that the student needs to learn.

Evidence

  • Number of meta-analyses: 3
  • Number of studies: 101
  • Number of students: 14,853
  • Number of effects: 239
  • Weighted mean effect size: 0.85
  • Robustness index: 3

Meta-Analyses

Meta-Analyses
Journal Title Author First Author's Country Article Name Year Published Variable Number of Studies Number of Students Number of Effects Effect Size
Dissertation Fendick USA The Correlation Between Teacher Clarity of Communication and Student Achievement Gain: A Meta-Analysis 1990 Teacher clarity on outcomes 39 0 100 0.75
Communication Education Titsworth, Mazer, Goodboy, Bolkan & Myers USA Two meta-analyses exploring the relationship between teacher clarity and student learning. 2015 Teacher clarity on outcomes 25 8,241 25 0.72
Communication Education Titsworth, Mazer, Goodboy, Bolkan & Myers USA Two meta-analyses exploring the relationship between teacher clarity and student learning. 2015 Teacher clarity on outcomes 37 6,612 114 1.04
TOTAL/AVERAGE 101 14,853 239 0.84
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