Construct

Construct details. (MORE INFO)

Construct: Perceived Critical Mass


  • Description
  • Indicators

Note 1: Following are presented the definitions found for the construct in the used references, together with the theory/model.
Note 2: The same construct can be present in more than one theory/model.
Note 3: If the construct was not proposed in the original theory/model, it is identified as "Additional to theory/model".


Definition: The degree to which a person believes that most of his or her peers are usin the system.

Theory/model: Additional to TAM
Reference: (Lou, Luo, & Strong, 2000)


Definition: Reflects beliefs regarding the number of people who are using the innovation of interest.

Theory/model: IDT TRA
Reference: (Van Slyke, Ilie, Lou, & Stafford, 2007)


Note 1: This list contains all the indicators (measuring variables) as defined by the authors when proposing/using/applying a theory/model in a context. It also includes the scales used to measure the variables.
Note 2: Some of the indicators are context-dependent.
Note 3: The same construct can be present in more than one theory/model.


IndicatorScaleContextTheory/ModelReference(s)
Most students in my class used Discussion Database frequently.Likert 1-7, Strongly Disagree to AgreeLotus Domino Discussion DatabaseTAM(Lou, Luo, & Strong, 2000)
Most students in my group used Discussion Database frequently.Likert 1-7, Strongly Disagree to AgreeLotus Domino Discussion DatabaseTAM(Lou, Luo, & Strong, 2000)
Many people I communicate with use IM.Likert 1-7, Strongly Disagree to AgreeInstant messaging (IM) systemsTRA(Van Slyke, Ilie, Lou, & Stafford, 2007)
The people I communicate with will continue to use IM in the future.Likert 1-7, Strongly Disagree to AgreeInstant messaging (IM) systemsTRA(Van Slyke, Ilie, Lou, & Stafford, 2007)
The people I communicate with using IM will continue to use IM in the future.Likert 1-7, Strongly Disagree to AgreeInstant messaging (IM) systemsTRA(Van Slyke, Ilie, Lou, & Stafford, 2007)
Of the people I communicate with regularly, many use IM.Likert 1-7, Strongly Disagree to AgreeInstant messaging (IM) systemsTRA(Van Slyke, Ilie, Lou, & Stafford, 2007)