Explain the independent and dependent variables used in the study.
Comment on the sampling employed to collect subjects, and also on the reliability and validity of the study.
Only journal articles reporting real experimentation are suitable for this assignment-magazine or newspaper articles, opinion pieces and commentaries are not suitable. Here are some tips for choosing a suitable article:
a) When using the ProQuest database, check the box next to 'Scholarly journals, comprising peer-reviewed'.
b) Look for an abstract at the starting of the article.
c) Make sure that the article comprises an explanation of the independent and dependent variables and the sampling plan.