Pedro is age 65 and was married for 42 years. His children are concerned because their mother died over 3 years ago but their father continues in unrelenting grief. Their father cannot seem to let go of the loss of his spouse. He has intrusive memories that impede normal functioning. Pedro is experiencing

Infant attachment involves

a. perceptual processes in the infant. b. nutritional adequacy. c. prenatal processes. d. adequate binocular vision.

An independent-groups t test:

a. compares sample means for two related groups. b. compares sample means for two unrelated groups. c. compares standard deviations for two unrelated groups. d. compares sample means for three or more unrelated groups.

Operant conditioning was so named because B.F. Skinner believed that

A) Behavior operates on the environment and changes it in some way. B) people operate independently of experiences in the real world. C) conditioning is an unconscious operation. D) the brain operates independently of behavioral consequences.

Synaptogenesis generally refers to the

a) connecting of two synapses b) connection of a network of synapses c) development of a synapse d) development of new synaptic vesicles