Hagan, Frank E, <br/><br/>
Research methods in criminal justice and criminology / 
Frank E. Hagan, Mercyhurst University. 
 - Ninth edition. 
 - xix, 444 pages :  illustrations ;  24 cm. 
<br/><br/>Includes bibliographical references and indexes. 
<br/><br/>Introduction to criminal justice research methods : theory and method -- Ethics in criminal justice research -- Research design : the experimental model and its variations -- The uniform crime reports and sampling -- Survey research : questionnaires -- Survey research : interviews and telephone surveys -- Participant observation and case studies -- Unobtrusive measures, secondary analysis, and the uses of official statistics -- Validity, reliability, and triangulated strategies -- Scaling and index construction -- Policy analysis and evaluation research -- Data management : coding, tabulation, and simple data presentation -- Data analysis : a user's guide to statistics. 
<br/><br/><label>ISBN: </label>9780133008616  RM537.25 0133008614 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Criminology--Research--Methodology.<br/>Criminal justice, Administration of--Research--Methodology.<br/>Criminal statistics.