Handbook of Management Scales/Group efficacy
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Group efficacy was measured with four items taken from Salanova, Llorens, Cifre, Martínez & Schaufeli (2003).
- I feel confident about the capability of my group to perform the tasks very well.
- My group is able to solve difficult tasks if we invest the necessary effort.
- I feel confident that my group will be able to manage effectively unexpected troubles.
- My group is totally competent to solve the task.