Norman triplett conducted what is widely regarded as social psychology’s first experiment. he found that children tended to perform a relatively easy task better while in the presence of another child doing the same task. this finding set the stage for research on
a. social loafingb. groupthinkc. social facilitation

In a small, closed economy, national income (gdp) is $350 million for the current year. individuals have spent $100 million on the consumption of goods and services. they have paid a total of $60 million in taxes and the government has spent $75 million on goods and services this year. use this information and the national income identity to answer the questions. how much does the economy spend on investment?