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--- research_methods:the_validity_of_causal_research [2017/12/18 15:36]
m7661780 created
+++ research_methods:the_validity_of_causal_research [2018/02/02 11:19]
m7661780
@@ Line 1: / Line 1: @@
 ====== The validity of causal research  ======
 {{vimeo>132532691?large|The validity of causal research}}
-{{tag> }}
+==== PowerPoint ====
+  * {{:research_methods: Microlecture 4 3 The validity of causal research 20150812.pptx| The validity of causal research}}
+{{tag>setting dependent_variable endogenous_concept independent_variable exogenous_concept external_invalidity internal_invalidity statistical_conclusion_validity measurement_validity data_collection_bias}}
 {{tag>research_methods:ut research_methods:video}}
 /* Number 4 3 */