scientific inquiry

Question 1

testable question

Answer 1

must be specific with the variables, should be measurable

Question 2

null hypothesis (H0)

Answer 2

there is no difference or affect by the IV on the DV

Question 3

alternative hypothesis (H1, H2)

Answer 3

there is a difference, recognizes possible outcomes

Question 4

standard deviation

Answer 4

quantifies data’s scatter

Question 5

standard error

Answer 5

measure of percision

Question 6

positive contol group

Answer 6

variable is present

Question 7

negative control group

Answer 7

variable is absent