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Data analysis

Avoiding the Traps of Questionnaire Design and Analysis in Your Dissertation

Cronbach's alpha, Data analysis, Methodology, Recent references / By

In preparation for our upcoming webinar on Avoiding the Traps of Questionnaire Design and Analysis in Your Dissertation at 6 pm (GMT+2:00) on 19th September, I’m writing about an issue of reliability that is often problematic for students. An old bathroom scale explains the concept of reliability of the measurement instrument in your dissertation. Here …

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How Strong are Your Statistical Results? The Concept of Effect Size

Data analysis, Methodology, Recent references, Statistics / By

In a previous post, I spoke about what a statistically significant result means and doesn’t mean. A significant result may mean very little, not necessarily anything to inspire you to throw a party or make a supportive parent proud. A significant result does not tell you how strong – or meaningful – your result is. …

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5 tips when your sample is smaller than you intended and your results are mostly not significant

Data analysis, Recent references, Results, Sample / By

Sometimes, despite all your efforts, the sample size of your quantitative study turns out to be smaller than you planned. Maybe you received a low response rate to your online survey, your database search for patient records returned many unusable or missing records, or you found yourself in another scenario with a similar outcome. And …

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