Campbell, D T <br/><br/>
Methods Factors In Multitrait-Multimethod Matrices : Multiplicative Rather Than Additive?  [electronic resource] 

 -  Multivariate behavioral research  Oct 1967 
 - 409-26 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0027-3171 
<br/><br/><label>Standard No.: </label>10.1207/s15327906mbr0204_1  doi