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a social influence analysis of perceived organizational support

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Fourth, when studying <strong>social</strong> <strong>influence</strong>, it is important to consider not only whether or not<br />

ties are present, but also how strong these ties are and whether or the ties are multiplex. Most<br />

<strong>social</strong> <strong>influence</strong> studies do not consider tie strength, but the results <strong>of</strong> this study demonstrate that,<br />

overall, strong ties are more influential than are weak ties. Therefore, future <strong>social</strong> <strong>influence</strong><br />

studies should pay attention to tie strength.<br />

In addition, results <strong>of</strong> this study indicate that in general, multiplex ties are more<br />

influential than simplex ties. Most <strong>social</strong> <strong>influence</strong> studies in organizations pay little attention to<br />

multiplex ties, despite the fact that researchers such as Portes (1998) and Coleman (1990) have<br />

emphasized how potentially influential such ties can be. Understanding the fact that multiplex<br />

relationships are influential is important, as it suggests that future <strong>social</strong> <strong>influence</strong> studies should<br />

utilize measures that not only differentiate friendship and advice ties, but also examine the<br />

effects <strong>of</strong> combinations <strong>of</strong> ties. This may have implications for managers as well; if managers<br />

can devise strategies to develop advice relationships between employees and their role models,<br />

role models may have a stronger positive effect on employee learning.<br />

Fifth, this study <strong>of</strong>fers a new way to measure role model ties in an organization, and<br />

highlights the usefulness <strong>of</strong> a <strong>social</strong> networks methodology as a way to assess their effects on<br />

outcomes. Previous research on role models has utilized experimental methodologies in which<br />

subjects are exposed to hypothetical role models in laboratory settings (Lockwood & Kunda,<br />

1997; 1999) and qualitative methodologies such as interviews (Gibson, 2003; Ibarra, 1999).<br />

While these methodologies can generate a great deal <strong>of</strong> useful information, experimental<br />

methodologies are difficult to apply in field settings, and it may be difficult to measure some<br />

outcomes with qualitative methods, especially when large samples are needed. Operationalizing<br />

role models as a <strong>social</strong> network tie allows researchers to answer a number <strong>of</strong> questions about role<br />

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