Third, when Angus to cram and exam will produce side effects such as stomach aches, dizziness and depression he can quote from Ivan Pavlov's classical conditioning
Third, when Angus going to cram exam and will have adverse effects, such as abdominal pain, dizziness, mood swings, and he will be able to quote ivan pavlov of classical conditioning
Third, when Angus go to cram school and exams will produce adverse reactions such as abdominal pain, dizziness, and he will be depressed mood can be quoted Pavlov classical conditioning Ivan