The dependent variable should exhibit homogeneity of variances.The dependent variable in each category must follow the normal distribution.The dependent variable must not have any significant outliers as they reduce the validity of results.Between the two categories, there must be an independence of observation.The independent variable must be in the form of categorical scale with only two categorical variables, which are independent (Jackson, 2011).The dependent variable must be in the form of a continuous scale, which is in a ratio or an interval scale.In the analysis of data using the independent-samples t-test, the data must meet the following six assumptions for the analysis using the SPSS to generate valid results.
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