According to the categories developed by behavioural scientists, grandparents in the ________ category create warm, pleasurable relationships with their grandchildren.

A researcher who is investigating age changes is exploring the differences that exist between people of varying ages

Indicate whether this statement is true or false.

When Charissa was a young child, she stepped on a bee and was stung. Since that time, she has been

terrified of flying insects and runs away if she sees any. According to the classical conditioning model, the bee was A) an unconditioned response. B) an unconditioned stimulus. C) a conditioned response. D) a conditioned stimulus.