Today the Senate operates with ____ standing and select committees. These select committees, however, are permanent in nature and are treated as standing committees under Senate rules.

There is a widespread consensus that global warming is happening

Indicate whether this statement is true or false

It has been shown that telling participants they are free to decline to participate without penalty

a. results in fewer people agreeing to participate b. makes the results less generalizable. c. induces participants to ask for a larger reward for participating. d. can substantially alter the results obtained in some experiments.