Answer:
Quasi-experimental
Explanation:
Un estudio cuasi-experimental se lleva a cabo sin distribuir aleatoriamente a los sujetos en diferentes condiciones o instrucciones de una función exponencial. Entre los principales diseños se encuentran los de grupos de control no equivalentes, datos de medidas repetidas-post-test y series temporales interrumpidas.
A confederacy lacks a strong central authority; its main purpose is to protect member states from external threats while domestic affairs remain the responsibility of local governments. The Articles of Confederation created such a loose union among the first states, and the Constitution was later needed to create a federation.
