Lana's dog echo barks when the phone or doorbell rings. to train echo only to bark when the doorbell rings, she gives him a treat when he does so. she does not give him a treat when he barks at a ringing phone. lana is using conditioning to train echo, using the learning process of stimulus

The answer is operant conditioning; discrimination.  Discrimination is a word that is used in both classical and operant conditioning. The discriminated operant is an operant answer that is under the stimulus control of a discriminative stimulus. Such control is recognized by strengthening the reply in the existence of that discriminative stimulus. For instance, after suitable training, your dog will raise his paw to the oral command "shake."

managing the colonial war effort while also forcing for and moving towards america's independence was the major agenda of the debate in course at the second continental congress. the delegates at the congress also adopted the united states declaration of independence, in so doing acting as the ''de facto'' national government of what later became the united states of america

answer; i believe the best and correct answer is stronger bonds between the nations of africa;