A double-blind study:
A) necessarily has sufficient power to detect group differences.
B) usually lacks reliability.
C) minimizes expectancy effects.
D) cannot be used to determine cause and effect.
C) minimizes expectancy effects.
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Which of the following is NOT one of the physical and psychological symptoms associated with nicotine withdrawal?
a. insomnia b. vomiting c. irritability d. increased appetite
Alejandro was born into a family with high musical talent. Both his parents were professional musicians who encouraged and fostered his musical development
Throughout childhood he practiced the guitar whenever he could and eventually became a professional musician himself. Which of the following best describes Alejandro's phenotype? a. Alejandro's musical genes b. Alejandro's musical talent c. Alejandro's nurturing parents d. Alejandro's practice of the guitar
Which of the following statements regarding the potential positive effects of divorce is FALSE?
A) Following a divorce, moderate demands on children to help out can result in greater social responsibility and empathy as adults. B) Children in high-conflict intact families are lower in overall adjustment and self-esteem compared to children from divorced families. C) Some children, especially sons, benefit from the development of close relationships with their mothers after a divorce. D) When a parent shows high levels of antisocial behavior, children do better when they spend less time with that parent.
Joshua tries to learn to solve a mathematics problem, but he does not get the correct answer on his first attempt. He tells his teacher, "I just can't do math. Can I go play now?" According to Carol Dweck, Joshua has:
a. a performance orientation b. a learning orientation c. high self-efficacy d. a strong defense mechanism