translation.en: The distinction between the happiness of the experiencing self and the satisfaction of the remembering self has been recognized in recent years, and there are now efforts to measure the two separately. The Gallup Organization has a world poll where more than half a million people have been asked questions about what they think of their life and about their experiences, and there have been other efforts along those lines.
translation.es: La distinción entre la felicidad del yo que tiene experiencias y la satisfacción del yo que recuerda ha sido reconocida en los últimos años, y actualmente se intenta medir las dos por separado, la Organización Gallup realiza una encuesta mundial con más de medio millón de personas a las que se les ha preguntado acerca de lo que piensan de su vida y de sus experiencias.