Practical investigation Flashcards
What was the aim of your bio practical investigation?
To investigate whether there is a positive correlation between number of piercings and aggression score.
What was your hypothesis for your bio practical investigation?
There will be a significant positive relationship between number of piercings and aggression score out of 50.
What analysis did you use for your bio practical investigation?
Spearman’s rank.
What was the conclusion of your bio practical investigation?
No correlation.
Accepted null.
Evaluate the generalisability of your practical investigation.
Low: Opportunity Sample
Stratified would have been a better representation of society.
Evaluate the reliability of your bio practical investigation.
High: Repeatable likely scale
Gives quantitative data that can easily be handed out.
Evaluate the application of your bio practical investigation.
If there is no correlation then we can put more energy into investigating other reasons for aggression.
Evaluate the validity of your bio practical investigation.
Low: Self-report data
Low validity as participants may have answered to make themselves look good (social desirability).
