Article: The role of oxytocin in regulating loneliness in old age.Authors:Abu Elheja, R.. et al

1. A description of the claim: a. What is the claim? b. Is it frequency/intensity, association, or causal? 2. A description of the method (how did they collect data). 3. Description of the validity issues in the study. How does the study stack up for each of these? a. Internal (Are there problems? What are they? How do they relate to the claim?) b. External (To whom do they want to generalize? Are there problems?)