hypotheses Flashcards
1
Q
What is a hypothesis?
A
- a precise testable statement that predicts an outcome
- the relationship between the independent variable and dependant variable
2
Q
What is a directional hypothesis?
A
- predicts exactly what is going to happen
- used with research
- one tailed
3
Q
What is a non directional hypothesis?
A
- states there will be a difference but not what it will be
- used without research
- two tailed
4
Q
What is a null hypothesis?
A
- predicts no outcome
- any difference is due to chance
5
Q
how to dictate whether the hypothesis should be directional or non directional
A
non directional = if previous research is inconclusive, contradictory, inconsistent
directional = v similar results + conclusive patterns + answers, consistent