The basic qualities which questionnaires must have in order to serve best the purpose for which they are designed are emphasized. A description of the preliminary planning necessary to questionnaire construction, as well as the construction of the form itself, is provided. Various types of questionaire items and the advantages and disadvantages of each are discussed and illustrated, as are instructions in effective item-writing techniques. Many government people who are interested in obtaining information by the questionnaire method are not specialists in measurement procedures, but are nevertheless interested in collecting the necessary data in accordance with the most effective procedures. This pamphlet is designed to be helpful in their planning for, and design of, questionnaire forms. Administrators and reviewers may find it useful in evaluating proposed questionnaires or those already in use, and experienced specialists may find it convenient to have the basic steps in questionnaire construction outlined in a simple fashion in one pamphlet. (MV)