References
- Osgood , Charles E. , Suci , George J. and Tannenbaum , Percy H. 1957 . The Measurement of Meaning Urbana
- Miron , Murray S. 1961 . “The Influence of Instruction Modification upon Test‐Retest Reliabilities of the Semantic Differential,” . Educational and Psychological Measurement , 21 : 883 – 93 .
- McCroskey , James C. 1966 . “Experimental Studies of the Effects of Ethos and Evidence in Persuasive Communication,” . Pennsylvania State . Diss.
- Weksel , William and Hennes , James D. 1965 . “Attitude Intensity and the Semantic Differential,” . Journal of Personality and Social Psychology , 2 July : 91 – 94 .
- Peabody , Dean . 1962 . “Two Components in Bipolar Scales: Direction and Extremeness,” . Psychological Review , 69 : 72 73
- Mehrley , R. Samuel and McCroskey , James C. 1970 . “Opinionated Statements and Attitude Intensity as Predictors of Attitude Change and Source Credibility,” . Speech Monographs , 37 : 47 – 52 .
- Sereno , Kenneth K. 1968 . “Ego‐Involvement, High Source Credibility, and Response to a Belief‐Discrepant Communication,” . Speech Monographs , 35 : 476 – 81 .
- Mortensen , C. David and Sereno , Kenneth K. 1970 . “The Influence of Ego‐Involvement and Discrepancy on Perceptions of Communication,” . Speech Monographs , 37 : 127 – 34 .
- Mehling , Reuben . 1959 . “A Simple Test for Measuring Intensity of Attitudes,” . Public Opinion Quarterly , 23 : 576 – 78 .
- Guilford , J. P. 1954 . Psychometric Methods , 2nd ed. 383 New York
- Mr. Arnold (Ph.D., The Pennsylvania State University, 1966) is Associate Professor of Information Sciences at Illinois State University; Mr. McCroskey (Ed.D., The Pennsylvania State University, 1966) is Professor of Speech at West Virginia University; and Mr. Prichard (M.A., University of Redlands, 1949) is Instructor of Speech at The Pennsylvania State University.