A university student is investigating whether following a vegan caffeine-free diet leads to better exam performance. She recruits 30 participants and divides them equally between the two conditions. She decides to use Bayesian analysis to analyse her data and asks for your help! Specify a suitable model and justify your choices. (R code is not necessary in your answer.)
(answer with few sentences )
Example Data
Participant ID
Diet
Exam Outcome
1
Vegan
Pass
2
Vegan
Fail
3
Control
Pass
Sample Solution