Multilevel modeling (MLM) is a key method used by social and personality psychologists in their research. This volume begins with a rationale for MLM, especially as applied to these fields, and then proceeds in a non-technical, very accessible fashion to eluciudate on how the method can and should be applied in research.

Different aspects of MLM such as centering and modeling error terms are discussed, and examining hypotheses within the multilevel framework is considered in detail. Step by step instructions for conducting multilevel analyses using the program HLM are presented, and...