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a social influence analysis of perceived organizational support

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or not the employees with whom they claim to have relationships acknowledge having<br />

relationships with them (Krackhardt, 1990). However, a limitation <strong>of</strong> utilizing this<br />

methodological approach is that it is less rigorous. Common method bias is a concern because<br />

employees’ perceptions <strong>of</strong> their <strong>social</strong> networks are utilized as an independent variable, while the<br />

dependent variable also consists <strong>of</strong> a perceptual measure (similarity in POS).<br />

Another important point regarding measurement <strong>of</strong> <strong>social</strong> networks variables in this study<br />

is that, in both analyses, non-overlapping ties were utilized 1 . That is, each employee was<br />

assumed to have one (or no) relationship with each other employee in the organization. For<br />

example, if employee A indicated that employee B was a friend and a role model, employee B<br />

would be considered a friend-role model tie <strong>of</strong> employee A. However, employee B would not be<br />

considered a friendship tie and a role model tie as well; such a tie would only be counted as a<br />

friend-role model tie. Thus, ties are only counted once in this type <strong>of</strong> <strong>analysis</strong>, which reduces<br />

multicolinearity associated with counting the same tie in several different networks.<br />

The following friendship, advice and role model ties are the building blocks for all <strong>of</strong> the<br />

variables in this study.<br />

Friendship Ties. Consistent with previous research (Ibarra, 1992; Ibarra, 1995, Ibarra &<br />

Andrews, 1993; Krackhardt, 1990; Morrison, 2002), friendship ties were measured by asking<br />

each respondent to identify coworkers “who you see as an organization member as well as<br />

<strong>social</strong>ly – outside <strong>of</strong> activities related to the organization.” Employees were instructed to circle<br />

“yes” if they considered an individual to be a friend, and “no” if they did not.<br />

Advice Ties. Advice ties were measured by asking each respondent to identify those<br />

employees who “provide job-related advice, meaning that this person has been a source <strong>of</strong><br />

1 Results <strong>of</strong> descriptive statistics, correlation <strong>analysis</strong>, and QAP regression <strong>analysis</strong> are also available for<br />

overlapping ties.<br />

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