research methods 2

Question 1

what is the level of significance in psychology

Answer 1

0.05 (5%)

Question 2

what is a type one error? why does it occour?

Answer 2

The null hypothesis has been wrongly rejected. (false positive) This occours when the significance level is too leinient e.g 0.1 (10%)

Question 3

what is a type 2 error. Why does it occour?

Answer 3

when the experimental hypothesis is wrongly regected (false negitive). This occours when significance level is too strict e.g 0.01 (1%)