| A | B |
| z score | no of SDs from mean |
| mean | average score |
| median | middle score |
| standard deviation | square root of variance |
| mode | most common score |
| variance | SS divided by N |
| sum of squares (SS) | add up all the (X-M)^2 values |
| cumulative percentages | sum of percentages as you move along the scale |
| percentile rank | rank by percentile |
| central tendency | some measure of the centre of a distibution |
| t statistic | to test hypothesis about an unknown population mean |
| pearson's R coefficient | measures relationship between location in X distribution and location in Y distribution |
| population | all the scores |
| absolute average deviation (MAD) | add up all the |X-M| values |
| sample | sample of total population |
| sampling error | error between sample measure and population measure |
| H0 | null hypothesis (no effect) |
| H1 | alternative hypothesis |
| discrete variable | only certain values allowed |
| continuous variable | values are continuous |
| nominal scales | set of names in no order |
| ordinal scale | set of categories in order |
| interval scale | all intervals the same size; zero point is arbitrary |
| ratio scale | interval scale with a zero point |
| range | range of possible values |
| positively skewed distribution | median less than mean; tail points up |
| negatively skewed distribution | median greater than mean; tail points down |
| weighted mean | calculation includes frequency that values occur |
| IRR (interquartile range) | range between 25% and 75% |
| standard score | score in terms of a Z score |
| M | mean of population |
| greek letter mu | mean of sample |
| s | standard deviation of population |
| greek letter sigma | standard deviation of sample |
| Abnormal Behaviour | Behaviour is psnly distressing, psnly dysfunctional culturally deviant maladaptive |
| Reliability | High levels of agreement among clinical judges in their diagnostic decisions |
| Validity | Diagnostic categories- accurately capture essential features of disorder |
| Competency | A defendants state of mind at the time of judicial hearing |
| Insanity | State of mind of defendant when committing crime |
| Obsessions | repedetive unwelcome thoughts images or impulses that invade conciousness |
| Neurotic Anxiety | Anxiety that occurs when unnaceptable impulses threaten to overwhelm the ego's defenses and explode into conciousness or action |
| Culture-bound disorders | disorders that occur only in certain locations |
| Hypochondriasis | people unduly alarme about a physical symptom they detect and are convinced that they are going to have a serious ilness |
| Conversion disorder | like somatoform but serious neurological sympt -paralysis, blindness suddenly occur |
| Psychogenic Amnesia | extensive selective memory loss in response to stressful event |
| Psychogenic Fugue | dissociative disord - lose all sense of personal identity- wanders to new location and establishes new identity |
| DID | Dissociative identity Dissorder (previously called multiple personality) |
| TRauma dissociation theory | theory new personalities occur in response to seveer stress |
| Dysthymia | less intense form of depression |
| Depressive Cognitive Triad | Negetive thoughts concerning the world, oneself and future. |
| Positive Symptoms of Schizo | Bizarre behaviours, delusions, hallucianations, disordered speach and thinking |
| Negetive Symptom of SChizo | An absence of normal reactions like lack of emotional expression, loss motivation speech absence |
| Dopamine theory | some symptoms of schizo caused by overactive dopamine brain systems. |
| Social Causation Hypothesis | attributes higher schizo rates to high stress that povos experience |
| Primacy effect | tendency attach importance to initial info learnt about a person |
| central route to persuasion | persuasion when we think carefully about message |
| peripheral route to persuasion | when we don't scrtinize message but accept on other factors |
| social compensation | working hard in a group to make up for slackers! |
| Groupthink | tendency to suspend critical thinking to quickly agree on shit |
| Mere exposure effect | repeated exposure to stimulus increases our liking of it |
| Triangular theory of love | passion intimacy commitment |
| Catharsis | the concept that performing agression discharges agress and reduces the impulse temporarily |
| method of loci | associate memory with physical locations |
| maintenace rehearsal | a method of rehearsal invovling rote repitition |
| Mnemonic device | A memory aid |
| Priming | the activation of one concept or unit, by another concept or unit. |
| Parralel distributed processing (PDP) | another term for neural netwrol/connectionist models |
| DEclarative memory | memory involving factual knowledge |
| Episodic Memory | Our store of knowledge concerning personal/life exoeriences |
| Semantic Memory | Memory representing general factual nowledge about the world |
| Encoding Specificty principles | states memory enhanced when conditions present retrieval smae as during encoding |
| context depend- state depend | environment same -internal state the same |
| Pro-active - Retro-active | Old disturbs recent - recent disturbs Old |
| ANterograde Amnesia | Memory loss for events after onset of AMnesia |
| Greek cymbols are for the population? | YES! greek cymbols are for the population |
| population variance | sigma squared (greek sigma) |
| standard error for sample | Sm |
| formular for stard error | sigma/square root n |
| visual sensory register is called? (of sensory memory) | ICONIC STORE |
| label for memory techniques that store in long-term | elaborative rehearsal (not maintenace rehearsal) |