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Office of Institutional Effectiveness : Data Book 2.0

District Statistics

There are many ways to understand institutional effectiveness. One important way, but in need of updating, is to count things - statistics. The Los Angeles Community College District ("LACCD" or "District") collects and maintains a wide range of statistics about various aspects of students and campus operations to support those students. These statistics come from data that are collected on each campus through a wide variety of campus operations, from registration to financial aid, from course scheduling to administrative budgets.

Here are some of the things the statistics tell us about (the following links open up District web pages):

The source of the data that we use for analysis is a very important issue, as there are sometimes significant differences in data, depending on the source of the data available at that time. In general, campus-based sources of data are more accurate than state or federal data sources (such as IPEDS); District data sources come from the same databases as campus sources and are, therefore, generally similar to campus sources, but often subject to different analysis or timing. It is important to remember the GIGO law - Garbage In, Garbabe Out. Researchers evaluate data as "dirty" or "clean" depending on the levels of validity and reliablity of the data (i.e., the amount of garbage in the data). In other words, always know your source of data.

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Edward Pai, Ph.D.
College Researcher
paiey@wlac.edu, Ext. 4472



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