Suppose you're using an operant conditioning approach to teach someone how to use a bow and arrow.
you begin by teaching your student how to hold a longbow. then you show him how to maintain balance
while holding the bow. finally, you show him how to aim and properly release the arrow toward a target at
the correct moment. this operant conditioning approach is called
a. partial reinforcement.
b. shaping.
c. programmed learning.
d. approximation.

Afull irb committee meeting is convened and one agenda item is a new research proposal to evaluate how mothers interact with their learning-disabled child. the inclusion criteria require the children to be a minimum of five years of age. the protocol requires the mother of the child to look at the child without any expression and not to talk to the child for three minutes. the committee determined that the mother's required task may upset the child. the irb approved the study with appropriate language in the parental permission form regarding the possibility that children might become upset. after the start of the study, the principal investigator reports to the irb that, as expected, one of the children became upset. the incident was handled according to the protocol and the child is fine. what should the irb do with regard to this report?

Which action best represents the policy of appeasement followed by britain and france prior to the start of world war ii? (a)allowing hitler to annex the sudetenland as part of the munich agreement (b)signing the nazi-soviet pact binding hitler and stalin to peaceful relations (c)sending troops to fight with the liberals during the spanish civil war (d)forbidding the sale of arms to any nation at war

What period of history refers to the time when people did not have written records