When researchers conduct an experiment comparing two different treatment conditions, they are likely to be more concerned with validity than validity.

think its caste system

explanation:

the answer is: c. c.it limited the president’s power to start wars.

the war powers resolution of 1973 requires the president to notify the congress whenever the president wanted to order a military operation to other countries within 48 hours. if after being reviewed the congress disagree with the proposal, that the president will be banned from ordering the operation.

answer; self-serving bias;

answer; beware of exaggerated claims without supporting evidence;