Answer:
C. commodity
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Answer:
deflación es la bajada generalizada de los precios de los bienes y servicios de un país que se mantiene a lo largo de un período de tiempo. La bajada de precios tiene que ser generalizada, es decir, debe afectar la gran mayoría de los productos y servicios que integran el mercado.
In assessing the internal validity of an intervention, we try to determine if certain changes cause certain outcomes. It is relevant in studies that try to establish casual relationship. While in observational or descriptive studies, it is not that relevant. It is also possible to have internal validity in a study and not have construct validity. Example, imagine a study where you are looking at the effects of a new computerized tutoring program on math performance in first grade students.
The definition of the word?