SEXUAL DIMORPHISM
the existence in a species of males and females that are different from other males and females. See sex characteristics;…
SEXUAL INVOLUTION
sexual behaviour featuring unusual, involved, complicated or ritualistic elements.
SEXUAL SADISM
a paraphilia where sexual excitement is only achieved by inflicting pain on another person. It can be so violent it…
SHAPIRO-WILKS TEST
a statistical test that tests a hypothesis that a sample from a population will have normal distribution.
SIGN LANGUAGE
a form of communication used by deaf people to communicate by using their hands for gestures. For more understanding, have…
SIGNIFICANT OTHER
1. Your spouse or other person you have a committed relationship with. 2. A person with a profound influence on…
SIMPLE EYE
an eye found in vertebrates that has one focusing element that could be a pinhole on the eye's surface, a…
SIMULTANEOUS CONTRAST
An enhanced perception of difference between 2 stimuli when they are presented close to each other. See colour contrast; contrast…
SITUATIONAL CONDITIONS
Educational psychology. all of the variables in a classroom that influences learning. Situational conditions may be time factors, methods of…
SIXTH SENSE
1. The intuition or instinct that a person uses to correct judgements. 2. Parapsychology. The ability for ESP. It relates…
SLEEP CYCLE
The cyclical pattern of sleep stages where a time of slow wave sleep if followed by REM sleep.
SLEEP SPINDLES
These are spindle shaped traces on an EEC during sleep stage 2 that are short bursts of 15Hz waves that…
SMITH-LEMLI-OPITZ SYNDROME
an autosomal recessive disorder feature microcephaly, broad and short nose, fused or extra digits and mental retardation. Males have genital…