hypotheses

Question 1

one tailed

Answer 1

• predicts a specific direction of results will take place
• IV will cause DV to increase/decrease

Question 2

alternative hypotheses

Answer 2

• the IV will impact the DV

Question 3

null hypotheses

Answer 3

• no change will occur

Question 4

two tailed

Answer 4

• predicts a change, but not which way it will be
  e.g. “the mood of a dog will effect how much food they eat in grams”