Neurotransmitters exist only in the brain and spinal cord

In contrast to concentrative meditation, a person who practices mindfulness meditation learns to

a. focus on and regulate his or her breathing. b. minimize external stimulation. c. generate specific mental images. d. let thoughts and memories pass freely through the mind.

How does conducting a double-blind study attempt to remedy the expectancy bias?

a. The experimenter does not know, but the participant does know, what condition the participant is assigned to. b. The experimenter and the participant both know what condition the participant is assigned to. c. The experimenter knows, but the participant does not know, what condition the participant is assigned to. d. Neither the experimenter nor the participant knows what condition the participant is assigned to. e. Neither the experimenter nor the participant knows that deception has been used in the study.