2. Member of the Goverments Committee of Advisors on Math
Teacher at Horten Upper Secondary School
Autor
Speaker: USA, Sweden, Finland, England and Norway
10. Visible Learning
Influence
Feedback
Effect Size
1.13
1.04
Instructional quality
1.00
Direct instruction
.82
Acceleration
.72
Remediation/feedback
.65
Student's disposition to learn
.61
Class environment
.56
Challenge of Goals
.52
Peer tutoring
John Hattie
Professor, Auckland, New Zealand
Student's prior cognitive ability
.50
Mastery learning
.50
Homework
.43
Teacher Style
.42
Questioning
800 Meta studies
a synthesis of 50.000 previous studies Peer effects
including more than 83 million studentsAdvance organisers
Simulation & games
all around the World
.41
.38
.37
.34
Computer-assisted instruction
.31
Testing
.30
• An effect size of 0.5 is equivalent to a one grade leap at GCSE