Practical Investigation Flashcards
1
Q
What was the aim?
A
- To investigate whether there is a negative correlation between sleep and aggression traits.
2
Q
What was the alternative hypothesis?
A
- (One tailed) - There will be a negative correlation between hours of sleep and aggression from scale.
3
Q
What was the null hypothesis?
A
- There is no relationship between the mean hours of sleep and aggression from a score.
4
Q
What was the co-variable one - hours of sleep?
A
Three consecutive nights - average number of hours sleep.
5
Q
What was the co-variable two - hours of sleep?
A
- Bussy-perry Aggression scale (1992)
6
Q
Why was a spearman’s rho carried out?
A
- Ppts have 2 sets of data
- original data
- Test for relationship
7
Q
What were the results?
A
Mean score for Males - 45.5
Mean score for females - 23.4
8
Q
What was the conclusions?
A
- Less hours of sleep, higher rate of aggression
- Aggression is higher in males than females
9
Q
What were the questions on the scale?
A
- Some of my friends think i am a hothead
- i have threatened people i know
- i am an even tempered person
