The Experimental Method Flashcards
When is an aim and hypothesis created?
Once an area of study is identified, then a hypothesis needs to be formulated
What does a hypothesis do?
Predicts statistically significant effects of an IV on the DV.
What does it mean to Operationalise a variable.
Cleary defining variables in terms of how they can be measured
What is a directional hypothesis?
States the direction of the difference or relationship
What is a non directional hypothesis
Does not state the direction of a difference or relationship.
Explain what a difference is in terms of key words.
almost like stating a fact by using more or less than
When do you use differences?
In experiments
Explain what a relationship is.
When something has a knock on effect on something
When do you use relationships?
In correlations
How do you write a Non-directional Hypothesis?
No, as there is no reference to previous research that allows the psychologist to predict the direction of the results
