GRE Psychology Practice Exam Questions with 100% Correct Answers

Acetycholine Correct Answer neurotransmitter associated with voluntary movement, sleep and wakefulness. Too little is associated with Alzheimer's Analysis of Variance/ANOVA Correct Answer inferential statistical procedure used to compare 2 or more means to see if the difference is not chance (need p<.05 for statistical significance) Aphasia Correct Answer impairment of ability to communicate either through oral or written discourse as a result of brain damage. Ex. Wernicke's ________ or Broca's __________ Optimum Arousal Theory Correct Answer Theory stating that we are motivated by our innate desire to maintain an personally preferred level of arousal. Broca's Aphasia Correct Answer Loss of function associated with damage to a specific area of the left frontal lobe, demonstrated by impairment in producing understandable speech. Egocentric Correct Answer young child's inability to understand another person's perspective - typical of Piaget's preoperational stage Concrete Operational Stage Correct Answer According to Piaget - stage of cognitive development where child between ages of 7 and 12 begins thinking more globally and outside of the self but are still deficient in abstract thought. Construct Validity Correct Answer Validity answers the question of whether or not the measuring device actually measures the theoretical idea under question. Convergence Correct Answer Binocular cue to distance referring to fact that the closer an object is, the more inward our eyes need to turn in order to focus Dopamine Hypothesis Correct Answer Theory that schizophrenia is caused by an excess amount of dopamine in brain. Research has found that medication to reduce dopamine can reduce the positive symptoms of schizophrenia. Endorphins Correct Answer neurotransmitter involved in pain relief, and feelings of pleasure and contentedness. Epinephrine Correct Answer neurotransmitter involved in energy and glucose metabolism. External Validity Correct Answer The extent to which data collected from a sample can be generalized to the entire population.