Dear people,
I need an advice I want to test my research measure with PLS.
the measurement is made of 4 reflective first order measure and the weighted composite of these form the second-order latent variable. However, I did not use a reflective item to measure the focal construct or any item for that matter. In consequence, I get a message from PLS as an invalid model.
Is there a way to remedy to this ? What can I do?
I did some reading, I am knew to PLS. As a solution, I thought of using the hierarchical model proposed by Wold (1982) explained by Tenenhaus et al. (2005). It is as follow:
"Forestimating these LVs § , Wold (1982) has proposed the hierarchical model
defined as follows:
• A new block X is constructed by merging the J blocks X1; : : : ;XJ into a superblock.
• The superblock X is summarized by one LV §.
• A path model connects each exogenous LV §j to the endogenous LV §." (Tenenhaus et al., 2005, p.48)
In your opinion, is it a viable solution?
Thank you very much
Lorie
Problem:invalid path model , the focal construct
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