Aims And Hypothesis

Question 1

What’s a null hypothesis and give an example

Answer 1

There’s no effect or a relationship between key variables
Eg- there’s no significant difference between eating greens and hair conditions

Question 2

What’s directional hypothesis

Answer 2

-there’s either an increase or decrease
Eg- there’s a significant increase in ice cream sales and good weather

Question 3

Non directional

Answer 3

There’s a difference but we can’t say whether it is increase or decrease
Eg - there’s a difference in how extroverted someone is and the amount of siblings they have

Question 4

Correlational

Answer 4

Either positive or negative
-there’s a positive correlation between smoking and lung cancer

Question 5

Correlational

Answer 5

Either positive or negative
-there’s a positive correlation between smoking and lung cancer