Consider the results of a personality test shown in the following figure. The test assesses each of the five domains identified in DSM-5:
- Negative Affectivity: anxiousness, emotional liability, hostility, perseveration; (lack of) restricted affectivity, separation insecurity and submissiveness; with higher scores indicating increasing levels of instability
- Detachment: anhedonia, depressivity, intimacy avoidance, suspiciousness, and withdrawal; with higher scores indicating increasing detachment
- Antagonism: attention seeking, callousness, deceitfulness, grandiosity, and manipulativeness; with higher scores indicating increasing levels of antagonism
- Disinhibition: distractibility, impulsivity, irresponsibility, (lack of) rigid perfectionism and risk taking; with higher scores indicating higher levels of disinhibition
- Psychoticism: eccentricity, perceptual dysregulation and unusual beliefs and experiences; with higher scores indicating higher levels of psychoticism
Based on the type of scores presented in the graph, you know that the standard deviation of the distribution of scores for any particular domain is equal to _____.
For which domain or domains are the test results within one standard deviation of the mean?
Which score shows the greatest deviation from the mean?