Discussion
An item pool of 45 items was reduced to a six-item scale for measuring
self-perceived leadership communication by running item and factor analyses.
Excellent fit indices supported the unidimensionality of the PLCQ-SR. Moreover,
homogeneity indices indicated an optimal level of homogeneity (.20–.40; Briggs
& Cheek, 1986), thus reflecting the different facets of the construct. In other
words, from seven initial dimensions only one facet—knowledge about strategic
communication—was dropped (for the wording of the six remaining items, see
Appendix). This might be due to threshold competencies (cf. Boyatzis, 1982):
Leaders lacking knowledge of strategic communication might not have become
leaders in the first place or remained leaders for any considerable length of time.
Therefore, studying how these competencies develop in the course of the leaders’
careers might provide interesting insights, but is beyond the scope of this scale.
Because EFA and CFA were run within the same sample, this model needed to be
cross-validated in a second sample.
DiscussionAn item pool of 45 items was reduced to a six-item scale for measuringself-perceived leadership communication by running item and factor analyses.Excellent fit indices supported the unidimensionality of the PLCQ-SR. Moreover,homogeneity indices indicated an optimal level of homogeneity (.20–.40; Briggs& Cheek, 1986), thus reflecting the different facets of the construct. In otherwords, from seven initial dimensions only one facet—knowledge about strategiccommunication—was dropped (for the wording of the six remaining items, seeAppendix). This might be due to threshold competencies (cf. Boyatzis, 1982):Leaders lacking knowledge of strategic communication might not have becomeleaders in the first place or remained leaders for any considerable length of time.Therefore, studying how these competencies develop in the course of the leaders’careers might provide interesting insights, but is beyond the scope of this scale.Because EFA and CFA were run within the same sample, this model needed to becross-validated in a second sample.
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