TABLE A1.

Questionnaire and descriptive statistics.

Author	Questionnaire	Mean	SD	Skewness	Kurtosis
Edmondson (1999)	Members criticized when making a mistake*	5.254	1.045	0.682	0.536
	Can bring up work problems and awkward stories
	Members often ignore other people’s opinions*
	Able to take risks
	Cannot ask for help from other members*
	Members do not degrade my efforts
	My own skills and talents appreciated and utilized
Gibson and Vermeulen (2003)	Actively propose new ideas for tasks	4.932	1.321	0.500	0.087
	Creating a new way of doing things.
	Ideas and practices often introduced to other teams
	Mutual communication	5.535	1.272	1.072	0.977
	Chance to express own opinions
	Exchange ideas with each other
	Documents the details of work	4.533	1.409	0.246	0.415
	Records good ideas
	Records or manages best practice
	Total	5.000	1.205	0.593	0.236
Riggs and Knight (1994)	Has above-average ability	5.562	1.080	0.781	0.572
	Members have the best work skills
	Some members can’t do their job properly*
	Excellent performance compared to other teams
	Can achieve more than the team’s goal
	Very efficient
Williams and Anderson (1991)	Fulfilling responsibilities given by the organization	5.678	1.030	0.702	0.228
	Achieving the level of task that we expect
	Meeting official performance requirements
	Doing a key role that can improve team’s evaluation

*Reverse-coded.