A. metabolic disorders
B. familiar retardation
C. birth injuries
D. fetal damage
Author: Lubaba Zarshal
A. lower when they are raised together than when they are raised apart.
B. greater than that for fraternal twins raised together.
C. lower than that for any other blood relatives.
D. the same whether they are reared together or apart.
A. perfect score on a set of age-related tests.
B. test performance superior to 90% of other children the same age who took the test.
C. mental age typical of children who have the same chronological age.
D. mental age below those of children with the same chronoligical age.
A. Motivation
B. Relationship
C. Product quality
D. Intelligence
A. The environment
B. Hard work
C. Better schooling
D. Genetics
A. School gardens
B. Emotional intelligence
C. Occupational status
D. Job performance
A. Study skills
B. School performance
C. Environment
D. Race
A. 50%
B. 70%
C. 10%
D. 25%
A. split-half reliability
B. test-retest reliability
C. alternate form reliability
D. criterion validity
A. predictability
B. reliability
C. generalizability
D. validity.