statistical test

Question 1

statistical test

Answer 1

used to determine whether a difference or an association found in a study is statistically significant

-the outcome will determine if we accept or reject the null hypothesis

Question 2

what 3 factors we must consider when deciding which statistical test to use

Answer 2

1)whether a researcher is looking for a difference or correlation
2)the experimental design
3 the level of measurement

Question 3

correlation

Answer 3

a statistical measure that expresses the extent to which two variables are linearly related
-e.g:the fewer the sweets eaten the fewer the fillings

Question 4

difference example

Answer 4

participants who weight train 5 hours a week will have more muscle mass than participants who weight train 2 hours a week

Question 5

types of designs

Answer 5

unrelated design ( independent design)
related design(repeated measures + matched design)

Question 6

when does the design of a study not matter

Answer 6

if the study is a correlation