It seems that you have missed the given options for this question, but anyway, here is the answer. <span>When a psychologist compares the symptoms an individual is experiencing to the symptoms of various disorders to determine the specific disorder the individual has, the psychologist is concerned with the DIAGNOSIS. Other options include treatment, prognosis and etiology. Hope this answer helps. </span>
Answer: The correct answer is : The central limit theorem
Explanation: This is a fundamental theorem of probability and statistics. When the sample size is large enough, the distribution of the means follows approximately a normal distribution. The theorem can be applied regardless of the form of population distribution.