data analysis part 3 inferential/statistical tests and probability

Question 1

what is the point of a significance level

Answer 1

the confidence of which the alternative or null hypothesis can be accepted

Question 2

what is the significance level used in psychology

Answer 2

0.05 or 5%. this means there is a 95% the results are experimentally significant, and it strikes a balance between making a type i or ii error a researcher can not be 100% sure of this as it means testing every single member of the population in every possible circumstance

Question 3

what are statistical tests used for

Answer 3

they determine whether the result of an experiment is significant. if a difference is found between the scores of two groups then it may be because of the tested difference but it might actually be due to chance factors instead

Question 4

what is a statistically significant result

Answer 4

the result is highly likely to have happened due to the IV so it is therefore statistically significant

Question 5

what do researchers use when researching a sensitive topic

Answer 5

they use a stricter level of measurement, like 1% or 0.01 to be even more sure they have signifcant results