sample (weakness)

• What was the intention of the sample?

  To evaluate the other participants
• Why was Al always observed?

  Due to unforeseen circumstances
• What does "dismissal from uni" refer to?

  Being removed from university
• What does Al represent in the context?

  Calm and even-tempered behavior
• What is the significance of Al's age in the context?

  It affects the generalizability of observations
• What does "validity" refer to in this context?

  Accuracy of the evaluation process