← Psych Test 1 Test
5 Written Questions
5 Matching Questions
- Pennebaker Study
- Normal DIstribution
- Inclusive Fitness
- Central Tendency
- Yerkes-Dodson Law
- a "bell curve" unimodal, symmetrical around its central axis
Negatively skewed: long tail on the left
Positively skewed: long tail on the right
- b College students wrote for 20 minutes a day for three consecutive days (some wrote about emotions and the other group wrote strictly on what they did that day). Pennebaker measured both group's visits to the campus health center after the writing exercises and found that those who wrote about their emotions were healthier.
- c the notion that natural selection favors organisms that survive, reproduce, and foster the survival and reproduction of their kin.
- d The center around which the raw data tend to cluster.
Mean: average (affected by outliers)
Median: score that falls in the middle
Mode: most frequent score
- e The relationship b/w arousal and performance is curvilinear so the correlation coefficient reflecting the relationship is zero even though there is a clear relationship (curve had a normal distribution)
5 Multiple Choice Questions
- produced in the substantia nigra and released in to the nucleus accumbens (pleasure/reward) or the basal ganglia (voluntary movement;attention)
Schizophrenia- too much DA
Parkinson's- not enough DA (treated with L-dopa b/c DA can't be given directly b/c it doesnt cross the blood-brain barrier
- 1. Behavior is determined by a dynamic interplay between thoughts, feelings, and wishes. 2. Most mental events occur outside of conscious awareness. 3. Mental processes may conflict with one another, resulting in compromises.
- Large structure at the back of the brain; controls balance, posture, and smooth movements, involved in learning and shifting of attention; ADHD, autism, and schizophrenia.
- seeks to understand the mind through understanding the electrical and chemical activity of the nervous system
- Determines the degree to which two variables are co-related. CORRELATION DOES NOT IMPLY CAUSATION!
5 True/False Questions
Criterion Validity → Establishing the relationship between test performance and some external criterion.
Concurrent criterion- agreement between test performance and current status on another variable (e.g., do scores on a self-report survey relate to clinicians' ratings?)
Predictive Criterion- test aims to predict status on a criterion that will be attained in the future (e.g., Does the SAT distinguish among students who do well in college vs those who do not do well in college one year after taking the test?)
Behaviorist Perspective → Focuses on how people perceive, process, and retrieve information.
Wernicke's Aphasia → Examines the nature and treatment of psychological processes that cause emotional distress. (e.g., What causes depression?)
Phineas Gage → Railroad worker who had a pipe severe his ventromedial prefrontal cortex, completely changing his personality
Empirical Approach → if we want to understand the mind, we should investigate it scientifically