Research library.
Choose a concept. Read the definition, explore an example and test your understanding.
48 concepts
Sampling3 min read
Sample
A small part selected to help us understand the whole.
Beginner
Statistics3 min read
Correlation
Changing together does not mean causing each other.
Beginner
Statistics4 min read
Confidence interval
Show uncertainty, not just a single number.
Intermediate
Getting started2 min read
Research question
Good research starts with a clear question.
Beginner
Sampling2 min read
Population
Who do you want your findings to describe?
Beginner
Sampling3 min read
Random sampling
Keep personal preferences out of selection.
Intermediate
Survey design3 min read
Likert-type item
Understand attitudes through ordered responses.
Beginner
Survey design2 min read
Leading question
The wording can steer the answer.
Beginner
Qualitative research3 min read
In-depth interview
Listen to the experience behind the answer.
Beginner
Qualitative research4 min read
Thematic analysis
Discover patterns of meaning in people’s accounts.
Intermediate
Statistics3 min read
Margin of error
Sampling uncertainty around an estimate.
Intermediate
Getting started2 min read
Hypothesis
An expectation that can be tested with evidence.
Beginner