what scale for comparing mean and standard deviation what is the standard deviation in spss how to compare the results between different studies and a standard deviation? comparing a study to another how to compare the standard deviation between two different studies can you compare a study's standard deviations how to compare data in the first survey how to compare a study's mean to a different sample what is the difference between a standard deviation and likert scale what is the likert scale what kind of scale should be used to compare scores what scale do you use for statistical analysis? can you compare mean scores in different studies can you compare the standard deviation of a spss study to that of a different study? how to compare a sample to another how do i compare the different study to the first what is the scale of the second study how do you compare a study to another how to compare the results between different studies what is the likert scale?