6. The Relationships Between the SSS and Other Trait Measures; Introduction; Convergent Validity Correlations With Similar Test Constructs; Multivariate Personality Tests; Multivariate Tests of Psychopathology; Other Traits; Discriminant Validity-Social Desirability; Summary; 7. Risk-Taking Activities; Volunteering for Experiments and Activities; Sensory Deprivation; Hypnosis and Meditation; Physical Risk Taking; Phobic Risk; Gambling; Mobility and Traveling; Life Stress; Summary; 8. Sensation, Perception, and Cognition; Sensory and Perceptual; Cognitive Abilities and Styles; Summary.