The Experimental Method Flashcards
What is the definition of an experiment?
Involves the manipulation of an IV to measure the effect on the DV
What is an aims of an experiment?
- Statement of what the researcher wants to investigate.
- Purpose of the study.
- Based on past research
What is a hypotheses?
Prediction or statement made at the start of a study
Whats a directional hypotheses?
A statement that states the direction of the effect
What’s a non-directional hypotheses?
A statement that doesn’t give the direction of the effect
When do you use a directional hypotheses?
When findings from previous research suggest a particular outcome
When do you use a non-directional hypotheses?
When there is no previous research or findings from earlier studies are contradictory
What are the two levels of the IV?
Control condition - no manipulation of the IV
Experimental condition - IV is manipulated
What is operationalising variables mean?
Clearly defining variables in terms of how they can be measured
