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"text": "<video> <image>Complete the following definition about Natural Quasi Experiment:The study of effects of a _______ where the _______ variable is _______ manipulated. this is a multiple-choice, options contain A : [natural event, independent, naturally] B : [natural experiment, dependent, naturally] C : [natural event, independent, artificially] D : [natural event, dependent, naturally] E : [natural occurrence, independent, naturally] F : [natural phenomenon, independent, artificially] G : [natural event, dependent, artificially] H : [natural event, independent, experimentally] I : [natural process, dependent, naturally] J : [natural event, independent, systematically] " |