The increasing incidence of single-parent families in the United States
A. is for the most part a phenomenon of African-American communities.
B. has had about equally damaging economic effects on all ethnic groups.
C. has economically hurt black families more severely than white families.
D. All these answers are correct
C. has economically hurt black families more severely than white families.
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In his work on the development of moral reasoning in children, Piaget found that
a. young children tend to be much more literal than adolescents in their interpretation of rules. b. eight-year-olds take into consideration the motive in wrongdoing. c. adolescents judge the degree of guilt by the magnitude of the crime, with no thought for the intentions of the wrongdoer. d. eight- and twelve-year-olds go through the same process and arrive at essentially the same conclusions in determining the degree of guilt for any given crime.
Pupil assignment alone automatically remedies the impact of previous, unlawful racial segregation
Indicate whether the statement is true(T) or false(F).
A researcher is interested in predicting whether a company might attempt to buy out a competitor (score = 1) or not (score = 0), using market share (%) as an independent variable. She establishes that the value of ‘exp(B)’ is 2.56. How should she interpret this?
A. If two companies have a market share that differs by 1 unit, then the odds of the company with the higher score attempting a takeover are 2.56 higher than for the other company. B. 2.56 times more companies who attempted takeovers scored highly on market share. C. If two companies have market share scores that differ by 1 unit, then the odds of the company with the higher score attempting a takeover are 2.56 lower than for the other company. D. Takeover rates are 2.56 times as high in companies with a large share of their market.
Which of the following statements about QR codes in education are true?
a. QR codes can be scanned by mobile devices and webcams b. QR codes can be used to add audios, translations, and other supplemental resources to printed text c. QR codes can lead to video, graphics, and other web content d. All of the above