Regarding factor no. 5, among 4 observed variables in the rating scale if this factor, the variable called "QMDN2 332" has the gross correlation coefficient lower than 0.3. Considering the exclusion of this variable of the rating scale, the Cronbach's Alpha will be on a considerable increase. In other words, this variable does not significantly contribute to the general meaning of the factor. In this case, we decided to eliminate this variable, accordingly, the second result of Cronbach's Alpha of factor no. 5 becomes 0.617, which is within the acceptable reliability range.