P-Values Flashcards
1
Q
What is a P-Value
A
How well sample data support the view that the null hypothesis is true
2
Q
P-Values
A
How compatible your data is with the null hypothesis
3
Q
What does a high P-Value tell you?
A
That your data is consistent with the null hypothesis
4
Q
What is a hypothesis test?
A
Tests the validity of a claim that is made about a population
5
Q
Null Hypothesis Significance Testing
A
Assumption indicating that there is no significant difference between the samples from the underlying population
6
Q
Null hypothesis
A
state of affairs where no effect exists- no difference between groups, no correlation between variables
7
Q
What is the cut-off P-Value to determine “statistical significance?
A
0.05
8
Q
How to move forward with P-values?
A
- report actual p value
- replication
- insect effect size
- report confidence intervals
- alternative hypothesis matters
- use stricter p-values for novel findings
9
Q
A
