Users of Available Data Are Well Advised to

Multiple Choice

Users of available data are well advised to

A) let the availability of data dictate the research question or hypothesis to be addressed.
B) carefully attempt to reconstruct the process by which the data were originally assembled.
C) so far as possible, restrict themselves to official data sources where the accuracy and consistency of the data can be assumed.
D) search for the best single indicator rather than rely on multiple indicators of a concept.