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A Likert scale measures an attitude by asking how strongly people agree or disagree with several statements, usually on five or seven labelled points. Each answer gets a number, and a person’s score is the total (or average) across the statements. Rensis Likert introduced the method in 1932. One statement
A t-test checks whether a difference in means is bigger than chance would explain, given the spread of your data and your sample size. It comes in three versions. A one-sample t-test compares one mean with a fixed value. An independent t-test compares two separate groups, and a paired t-test
About DiscoverPhDs
Our mission is simple – to help you find the right STEM PhD programme, supervisor and university for you. Our database allows you to effortlessly search through the latest PhDs, research projects and studentships in a matter of minutes.
In addition to this, we provide comprehensive guidance via our PhD Advice page. Whether you’re considering a PhD or already undertaking one, you’ll find useful information for each stage of your journey.