Critique the methods used in this quantitative study and aim to find the answers to these questions.

• Was the collection of data using structured methods (in contrast to unstructured methods) consistent with the study aims?
• Were the right methods used to collect the data (self-report, observation, etc.)? Was triangulation of methods used appropriately? Should supplementary data collection methods have been used to enrich the data available for analysis?
• Was the right amount of data collected? Were data collected to address the varied needs of the study? Was too much data collected in terms of burdening study participantsand, if so, how might this have affected data quality?