When merging relations that contain synonyms, we should obtain, if possible, agreement from users on a single standardized name for the attribute and eliminate the other synonym

If the key variables have not been defined or are defined in a manner inconsistent with the researcher's definition, then the usefulness of the data is limited. This statement refers to the ________ criteria for evaluating secondary data

A) nature B) objective C) error/accuracy D) currency

What shows international transactions that involve currently produced goods and services?

A) Current account B) Balance of payments C) Trade balance D) Capital account