Your answer would be peer pressure
Answer:
it is not easy to measure
Explanation:
According to my research on studies conducted by various psychologists, I can say that based on the information provided within the question psychologists have made slower progress with emotion because it is not easy to measure. Sensation, Learning, and Memory are easier to measure and create experimental designs to study but emotion is harder to create experiments for because it works different and has many variables to consider.
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well clearly because it says when he will want year old male his vision has birthday over the patient of his BSA is a psychiatric