Context

Context: Lotus Domino Discussion Database

Note: This list contains all the constructs (and corresponding measuring variables) as defined by the authors when proposing/using/applying the theories/models in the selected context. It also includes the scales used to measure the variables.

• Construct (Theory/Model): Intention to Use (Use) (TAM)

  Indicator	Scale	Reference(s)
  I always try to use Discussion Database to do a task whenever it has a feature to help me perform it.	Likert 1-7, Strongly Disagree to Agree	(Lou, Luo, & Strong, 2000)
  I always try to use Discussion Database in as many cases/occasions as possible.	Likert 1-7, Strongly Disagree to Agree	(Lou, Luo, & Strong, 2000)

• Construct (Theory/Model): Perceived Ease of Use (TAM)

  Indicator	Scale	Reference(s)
  Learning to use Discussion Database is easy for me.	Likert 1-7, Strongly Disagree to Agree	(Lou, Luo, & Strong, 2000)
  I find it easy to get Discussion Database to do what I want it to do.	Likert 1-7, Strongly Disagree to Agree	(Lou, Luo, & Strong, 2000)
  My interaction with Discussion Database is clear and understandable.	Likert 1-7, Strongly Disagree to Agree	(Lou, Luo, & Strong, 2000)
  I find Discussion Database to be flexible to interact with.	Likert 1-7, Strongly Disagree to Agree	(Lou, Luo, & Strong, 2000)
  It is easy for me to become skillful at using Discussion Database.	Likert 1-7, Strongly Disagree to Agree	(Lou, Luo, & Strong, 2000)
  I find Discussion Database easy to use.	Likert 1-7, Strongly Disagree to Agree	(Lou, Luo, & Strong, 2000)

• Construct (Theory/Model): Perceived Usefulness (TAM)

  Indicator	Scale	Reference(s)
  Using Discussion Database enables me to accomplish tasks more quickly.	Likert 1-7, Strongly Disagree to Agree	(Lou, Luo, & Strong, 2000)
  Using Discussion Database improves my performance in the course.	Likert 1-7, Strongly Disagree to Agree	(Lou, Luo, & Strong, 2000)
  Using Discussion Database improves my productivity.	Likert 1-7, Strongly Disagree to Agree	(Lou, Luo, & Strong, 2000)
  Using Discussion Database enhance my effectiveness in learning.	Likert 1-7, Strongly Disagree to Agree	(Lou, Luo, & Strong, 2000)
  Using Discussion Database makes it easier for me to learn.	Likert 1-7, Strongly Disagree to Agree	(Lou, Luo, & Strong, 2000)
  I find Discussion Database useful for my learning.	Likert 1-7, Strongly Disagree to Agree	(Lou, Luo, & Strong, 2000)

• Construct (Theory/Model): Perceived Critical Mass (TAM)

  Indicator	Scale	Reference(s)
  Most students in my class used Discussion Database frequently.	Likert 1-7, Strongly Disagree to Agree	(Lou, Luo, & Strong, 2000)
  Most students in my group used Discussion Database frequently.	Likert 1-7, Strongly Disagree to Agree	(Lou, Luo, & Strong, 2000)