In 1987, the Senate refused to confirm the nomination of __________ to the Supreme Court

Once the constraint level has been determined,

A) the research is essentially completed. B) any level of constraint can be used to complete the research. C) the same constraint level must be used consistently throughout the research. D) only the experimental or differential levels can then be used.

Konrad Lorenz argues that aggression is a harmful instinct in most animals

a. True b. False