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The Interactive Whiteboards, Pedagogy and Pupil Performance ...

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8.1.5 Discussion<br />

Overall, this statistical analysis of the relationship between IWB installation levels<br />

<strong>and</strong> pupil performance has failed to find any evidence that the increase in the<br />

installation of interactive whiteboards (IWBs) in London schools has increased pupil<br />

performance in Key Stage tests. Although positive effects were found for<br />

installations in English departments between October 2003 <strong>and</strong> 2004, the size of the<br />

effect was small <strong>and</strong> was not consistently established across alternative<br />

specifications.<br />

Furthermore, several negative coefficients of the effect of IWB installations in Maths<br />

<strong>and</strong> Science were measured in more than one specification. Though these were<br />

likely due to one outlier school observation in each case, their presence does lend<br />

weight to the overall conclusion of ‘no effect’.<br />

It is possible that IWB installations have had a genuinely positive <strong>and</strong> significant<br />

effect on pupil performance in Key Stage tests in 2004/05, but that this study simply<br />

failed to uncover this relationship. <strong>The</strong>re are several reasons why this might have<br />

happened. First, the sample is not particularly large at between 30 <strong>and</strong> 32 schools<br />

(depending on exact specification). Second, we were not able to collect more<br />

specific information on whether a particular teacher actually had an IWB in the<br />

classroom where they taught. As a result the IWB installation variable was<br />

measured at the department level <strong>and</strong> may have dampened any positive association<br />

taking place at the classroom level. Third, the LC initiative allowed schools to<br />

choose which department <strong>and</strong> which classrooms received the IWBs, <strong>and</strong> could not<br />

therefore be analysed as a proper experiment. Throughout this analysis the main<br />

concern was one of endogeneity in the assignment of IWBs to classrooms (<strong>and</strong><br />

indeed teachers to classes).<br />

Given the findings from other parts of the evaluation of SWE in London, it is more<br />

likely that IWBs in particular departments did not cause pupils completing a Key<br />

Stage tests in 2004/05 to achieve higher marks than those completing in 2003/04.<br />

This is a very short time period over which to evaluate a project, <strong>and</strong> teachers almost<br />

certainly need more time to develop familiarity with the technology.<br />

8.2 Multi-Level Regression Analysis Of <strong>The</strong> Examination Outcomes<br />

Of Secondary School <strong>Pupil</strong>s In 2004 <strong>and</strong> 2005<br />

Introduction<br />

This report summarises the findings from a large-scale multi-level regression<br />

analysis of the examination outcomes of secondary school pupils in 2004 <strong>and</strong> 2005.<br />

<strong>The</strong> objective is to look at attainment in each of Maths, Science <strong>and</strong> English to see<br />

whether, after controlling for a wide range of factors, attainment improved more for<br />

pupils in London schools than for pupils in other parts of the country between 2004<br />

<strong>and</strong> 2005. Of course, if any such improvement were to be found, it cannot be<br />

assumed that the introduction of white boards was in any way a causal factor.<br />

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