Large-scale education data are collected via complex sampling designs that incorporate clustering and unequal probability of selection. Multilevel models are often utilized to account for clustering effects. The probability weighted approach (PWA) has been frequently used to deal with the unequal probability of selection. In this study, we examine…

Multiple matrix sampling (MMS) as a data collection strategy was examined, and rates of response from 307 public school principals in Virginia were compared when subgroups of items were administered versus an entire instrument. MMS was demonstrated as a viable and reasonable procedure when the mail questionnaire consists of a large number of pages…

This poem, with stanzas in limerick form, refers humorously to the many threats to validity posed by problems in research design, including problems of sample selection, data collection, and data analysis. (SLD)

The detrimental effects of nonresponse bias are particularly significant given the widespread use of the survey data collection method in educational surveys. Current methods for remediating nonresponse bias in educational surveys are explored and critiqued. (Author/LMO)

This study investigated the effects of personalization of cover letter and envelopes and the effect of teacher's sex, grade level taught, and the locale on responses to a mail survey of public school teachers. Significant effects were found for locale but not for personalization, sex, or grade level taught. (Author/JAZ)