CHAPTER 3 MATERIALS AND RESEARCH METHODS. DAS, LMX-7, Deaf Culture Scale, and Multiple regression Provide an extensive explanation of the Deaf Acculturation Scale (developed by Maxwell-McCaw) AND the Leader-Member Exchange 7 Assessment, AND the Deaf Culture Scale (developed by Rebecca Hankins). Tie all three scales together as in Chapter 2. Describe the use of Multiple Regression for statistical analysis of all the scales.