I am working on unequal sample size data. I have collected two sets of samples. One group comprises of habit forming group and the other one is the non-habit forming group. I have sent a set of questionnaires to both the groups. 52 subjects from habit forming group answered the questionnaire and 136 subjects from non-habit group answered. Shall I perform random selection through SPSS and select 52 samples? Is that allowed?
Will I have an issue when I publish the paper?
First you tell that how you decide the sample size ? Have you calculated the sample size for your whole study or for each group seperately ?
No doubt you can apply PPS sampling technique also according to the size of population of the two groups it will provide the number of subjects you have to select fromeach group population in your study.
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