Difference in the specific instance under investigation

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Reference no: EM13982049

When referring to the question of whether the experimental stimulus made some difference in the specific instance under investigation, one is referring to:

external validity

internal validity

concomitant variation

cross sectional analysis

interaction errors

When referring to the question as to what populations and settings can the observed effect be generalized, one is referring to:

concomitant variation

turnover analysis

external validity

longitudinal analysis

cross-sectional analysis

Select the question that can be answered through experimentation:

Do children from upper classes drink more carbonated beverages than those from lower classes?

Will Shell gasoline with platformate provide better mileage than Shell without platformate?

Does the average male use cosmetic?

Is the standard of living higher than ten years ago?

None of the questions can be answered by experimentation

Reference no: EM13982049

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