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.
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Question: Question: The Pearson correlation coefficient: 
 Options:  <0> It is always greater than 1. <1> It is always less than 1. <2> It is between 0 and 1. <3> It is between -1 and 0. <4> It is between -1 and 1.

Answer: chemistry


Question: Question: In the compression process occurs: 
 Options:  <0> An aggregation of the powder to be compressed. <1> A decrease in porosity. <2> A decrease in interparticular contact. <3> An increase in porosity. <4> An unpacking of the particles.

Answer: pharmacology


Question: Question: What are the attributions to failure that are most likely to produce helplessness? 
 Options:  <0> The internal, unstable and general attributions. <1> The internal attributions, stable and specific. <2> The external, stable and general attributions. <3> The internal, stable and general attributions. <4> The external attributions, stable and specific.

Answer:
psychology