Abuses and misuses of statistics are frequent. This digest attempts to warn against these in three broad classes of pitfalls: sources of bias, errors of methodology, and misinterpretation of results. Sources of bias are conditions or circumstances that affect the external validity of statistical results. In order for a researcher to make…

Practical information is provided, in a question and answer format, for community college officials who are planning to conduct a community needs assessment. A brief discussion of the usefulness of needs assessment surveys to the college planning process is followed by descriptions of eight steps to be followed in planning and conducting a survey:…