Which of the following is an observation that astronomers used to develop the Big Bang and Expanding Universe theories?

For a group to have high collective efficacy 

Cohesiveness can be measured by ___________.

Liking for the group is ___ cohesion, whereas high levels of goal-focused team work is ___ cohesion.

Studies suggest that social loafing can be avoided if ______.

Mothers Against Drunk Drivers, Moonies, the pro-life organization, and the Black Panthers are all example of _______.

Research suggests that the cohesion-performance relationship is:

When people are eating, social facilitation is more likely in ______ situations and less likely in ______ situations.

The tendency for individuals to become less productive as group size increases is known as ______.

Which of the following is the BEST example of a collective?