foster his self-esteem.
D) Start with high expectations, but be flexible and willing to accept lower achievement
levels if he cannot achieve the original goals.
Which of the following is supported by research on sibling rivalry?
A) Destructive sibling conflict in middle childhood is associated with negative
outcomes, including later substance use and delinquency.
B) Sibling rivalry is greater between brothers and sisters than among same-sex siblings.
C) During the middle childhood years, sibling rivalry tends to decrease.
D) Sibling rivalry often increases when siblings intentionally strive to be different from
one another.
Which of the following statements about the consequences of obesity is true?
A) Obese boys are viewed more negatively by adults and peers than obese girls.
B) In most cases, obese children slim down by adolescence.
C) Obese children are stereotyped as lazy, self-doubting, and deceitful.
D) Due to growing public awareness, childhood obesity in the U.S. has declined by 30
percent in the last decade.