The Cold War security organization established to defend Western Europe from invasion was ________.

By taking measures of attention from children at various times of the day during different activities, we would be

A) Sampling a truncated range of behaviors. B) Skewing our sample. C) Decreasing generalizability by the sampling of situations. D) Increasing generalizability by the sampling of situations.

The classical economists of the late eighteenth and nineteenth centuries—Adam Smith, David Ricardo, John Stuart Mill, and Karl Marx—all wrote on what they called socialist economies

Indicate whether this statement is true or false.