Which of the following statements best describes the long-term effects of large-scale early intervention programs such as Project Head Start?
a. Gains in IQ and academic achievement carry through middle school, high school, and college.
b. Gains in IQ and academic achievement carry through elementary school but steeply decline as a child enters middle school.
c. Gains in IQ and academic achievement are short-lived and generally fade within 2 to 3 years after entering school.
d. There have been no studies conducted on the long-term effects of early intervention programs such as Project Head Start.
C. Consistent for many large-scale early intervention programs such as Project Head Start, cognitive and academic gains tend to be short-lived and decline shortly after the child leaves the program.
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Which of the following children is likely to have the poorest self-concept?
a. An only-born boy b. A first-born girl c. A later-born child d. Birth order is not related to self-concept.
Which design is the best at showing change resulting from the independent variable?
A. one-group pretest-posttest B. one-shot case study C. posttest-only D. pretest-posttest control group design
An hypothesis is a specific statement of prediction
a. True b. False Indicate whether the statement is true or false
Most mutations _______
a. are not helpful to survival b. contribute to survival in important ways c. cause monsterism d. occur in one-celled organisms