// todo need optimize like in event.jsp. Add indexing or not indexing this page. 1970-1980 (1 Jan 1970 Jahr – 31 Dez 1980 Jahr) (Band der Zeit)
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1970-1980 (1 Jan 1970 Jahr – 31 Dez 1980 Jahr)

Beschreibung:

Durante esta década se identifican modelos multi-variados, se desarrolla el meta-análisis, y algunos autores entre ellos Campbell sugieren tipos de validez. (Historia de los enfoques cuantitativos, cualitativo y mixto: raíces y momentos decisivos. p. 7)

Zugefügt zum Band der Zeit:

Linea de Tiempo Enfoque Cuantitativo

ByDaniela Correa Alvarez
19 Mär 2018

Datum:

1 Jan 1970 Jahr
31 Dez 1980 Jahr
~ 11 years
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