In this task, you are given a question and answer options for that question. Using this information, you have to classify each text into different topics: medicine, nursery, psychology, chemistry, pharmacology, biology.

Question: What quality criteria must a psychological assessment instrument meet? 
 Options:  <0> Validity, or degree to which the scores of a test are free of measurement error. <1> Reliability, or degree to which the scores of a test are free of measurement error. <2> Have a coefficient of internal consistency above 0.40. <3> To have a low proportion of the variance observed explained by the real variance. <4> Include a high error variance.
psychology