Probability and significance Flashcards
1
Q
null hypothesis
A
no difference in what you are testing
2
Q
what is a significance level?
A
the point at which researchers can claim there is a significant difference
3
Q
what is the usual level of significance in psychology?
A
0.05 - this means that there is a less than 5% chance results occured by chance
4
Q
what does P stand for?
A
probability.
5
Q
the critical value
A
to test the statistical significance of something it must be compared to a critical value
6
Q
using tables of critical value - 3 criteria
A
one or two tailed test
the number of rps in the study (N)
the P value - level of significance
7
Q
lower levels of significance
A
in some tests there is a significance value of 0.01
