<?xml version="1.0" encoding="utf-8"?><mads xmlns="http://www.loc.gov/mads/" xmlns:mods="http://www.loc.gov/mods/v3" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.loc.gov/mads/
	mads.xsd"><authority><topic authority="https://tesauropsicologia.copmadrid.org/es/">Estudio longitudinal</topic></authority><related type="other"><topic>Diseño experimental</topic></related><related type="other"><topic>Experimento</topic></related><related type="broader"><topic>Investigación científica</topic></related> <note xml:lang="es-ES">Observaciones o medidas del mismo individuo o grupo durante un período de tiempo. </note></mads>