Academic journal article Education Next

Methodology

Academic journal article Education Next

Methodology

Article excerpt

THE RESULTS PRESENTED HERE are based upon a nationally representative, stratified sample of adults (age 18 years and older) and representative oversam-ples of the following subgroups: public school teachers, African Americans, and Hispanics. Respondents could elect to complete the survey in English or Spanish. The size of the sample available for analysis depends on the question examined. Most questions discussed here were embedded within an experiment designed to estimate the impact of information about local student performance. In this experiment, respondents were randomly assigned to one of two conditions: 1) a treatment condition in which information about local student performance was provided and 2) a control condition in which no student performance information was provided. For the purposes of this report, we make use of the responses from the sample of 2,269 respondents who were not provided information about the performance of students in their local district. However, if the question was not included within the experiment, we make use of the responses from the full sample of 5,266 respondents. Questions in the latter group include knowledge of the Common Core; child's enrollment; and spending tradeoffs between increasing teacher pay, reducing class size, and purchasing materials. In every case, the sample consists of those who responded to the question as presented in the full list of questions and responses reported on the EdNext website at www.educationnext.org/edfacts. Survey weights were employed to account for nonresponse and the oversampling of specific groups. In general, survey responses based on larger numbers of observations are more precise, that is, less prone to sampling variance than those made across groups with fewer numbers of observations. …

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