Materials and Methods
Is sufficient infornation provided for you to understand how the paper "works"?
What's missing ? Is the paper correct ?
Results
What the conclusions can you draw from the data presented?
(ask before the paper "brainwashes" you )
Dose the experimental /data support the conclusions described in the paper ?
Are there aiternative conclusions that the authors did not consider?
How would you set up the experiment?
Conclusions
Do you agree with the authors'conclusions ?
What are you own conclusion ?
Do the authors'conclusion derive logically from the material presented in the paper?