Experimental Method (Aims + Hypothesis)

Question 1

Explain the difference between an aim and a hypothesis

Answer 1

Aim= general statement + purpose of experiment

Hypothesis= clear + prescice statement on relationship between variables

Question 2

Describe a Directional Hypothesis

Answer 2

• one tailed

• shows direction of diff ( more/ less/ higher/ lower)

• used after previous research

Question 3

Describe a Non- Directional Hypothesis

Answer 3

• two tailed

• vague/ unspecific diff

• used when no previous research

Question 4

What is a null hypothesis

Answer 4

• one that states no relationship between 2 variables

• results due to chance= not significant