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: In studies that use meta-analysis for the systematic review of the results of psychotherapies, which is the most used dependent variable? : 
 Options:  <0> The number of depressive symptoms. <1> The size of the effect. <2> The systematized observation of the therapist. <3> The number of patients that has been cured. <4> The expectations of the patient.
psychology

Question: Question linked to the image nº13 A 12-year-old boy who goes to primary care Pediatrics for fever, vomiting, abdominal pain and diarrhea. On cardiopulmonary auscultation, he presents with an ejection systolic murmur II / VI in a pulmonary focus with a fixed second unfolded noise, the remainder being the normal physical examination. For the evaluation of the murmur the pediatrician performs an ECG that is shown below. In relation to the interpretation of it, please indicate below the correct answer: 
 Options:  <0> It is a normal ECG. <1> He presents a first-degree atrioventricular block as the only alteration. <2> It presents a left extreme QRS axis. <3> It presents a QRS axis deviated to the right with an rsR' pattern. <4> There are clear signs of left ventricular hypertrophy.
medicine

Question: The matrices of the composite materials can be: 
 Options:  <0> Polymeric <1> Polymeric or metallic, but not ceramic. <2> Polymeric or ceramic, but not metallic. <3> Metallic or ceramic, but not polymeric. <4> Polymeric or metallic or ceramic.

chemistry