Conceptualizing Leader-Member Exchange as a Second-Order Construct.

To date, scholars have focused a considerable amount of effort on developing valid measures of leader-member exchange (LMX). Although useful, it is unclear whether this proliferation in measurement is warranted. Specifically, although perhaps meaningful conceptual distinctions are made when developing new LMX measures, it is unclear whether these measures differ sufficiently from previously established measures.

Measurement of Environmental Concern: A Review and Analysis.

Growing concern about the seriousness of issues such as climate change has made the value of research on social and behavioral aspects of environmental problems clearer than ever. For authors studying environmental concern or attitudes, however, survey development can be a daunting task. A large number of scales measuring environmental concern have been developed, and it can be challenging to make informed decisions about which to use.