Lets take a look at several of these issues that we sometimes deem as barriers to student success. First we need to understand the reporting device that Hattie uses.
Source: http://www.learningandteaching.info/teaching/graphics/Hattie_barometer_2_hinge.gif
"1.0 indicates an increase of one standard deviation on the outcome...A one standard deviation increase is typically associated with advancing children's achievement by two to three years." (Hattie, 2009, p.7)
Anything over .40 deviation is deemed as substantial impact either positively or negatively on student achievement. I am thankful that the top 30 impacts on student achievement all happen within the school. We often see socioeconomic status, home life, parent structure, and motivation as major barriers. Hattie's research shows that there are things that we can do at school that can overcome issues that may be out of our control. I want to touch on a few of these areas and compare the impact on student achievement. Some examples from Visible Learning that overcome socioeconomic status and home life are;
Rank - Influence - Scale Score (Use the scale above to see impact) (Hattie, 2009, p. 299)
#3 - Formative Assessments - .90 on the scale
#7 - Comprehensive Interventions - .77
#8 - Teacher Clarity - . 75
#10 - Feedback - .73
#11 - Teacher to Student Relationships - .72
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#31 - Home Environment - .57
#32 - Socioeconomic Status - .57
#38 - Pre-Term Birth Weight - .54
#51 - Student Motivation - .48
#88 - Homework - .29
There are so many programs and practices that we use that are inneffective or that have little impact on achievement. Hattie's work provides clarity based in research as to what is effective and ineffective. This gives me some basis when I say that we can overcome poverty and home life at school.
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