What’s the meaning of ‘aim’?
The intention of a piece of research
What is a hypothesis?
Specific prediction of the outcome of a study
What’s the meaning of ‘experimental condition’?
Condition used to experiment e.g. hot room, cold room
What’s an independent variable?
The different conditions e.g. hot room
What’s a dependent variable?
What you’re measuring e.g. how much orange juice consumed
What’s a confounding variable?
Variables that may have affected the DV, so we cannot be sure of the changes to the DV
What’s an extraneous variable?
Variables that have an effect on the DV if it isn’t controlled e.g. IQ or participants
What is meant by ‘operationalise’?
To make the IV and DV crystal clear, so psychologists can carry out research
What is primary data?
Original data gathered by the researcher themselves, specifically for the purpose of the investigation
What is secondary data?
- Data gathered by someone other than the person conducting the research - Used data that already exists
What is meta-analysis?
A research strategy where instead of conducting new research with participants, the researchers examine the results of several previous studies
