Piaget described the sensorimotor stage of learning as having
a. four substages.
b. six substages.
c. six substages, of which four occur in infancy.
d. None of the answers are correct.
c
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Which of the following can occur in the mixed methods approach to research?
a. Both quantitative and qualitative data are collected separately, and data are analyzed in an integrated manner. b. Both quantitative and qualitative data are collected and analyzed separately, leading to separate inferences or write-ups. c. Each methodology is used sequentially in order to inform the next sequence of research events. d. Both quantitative and qualitative data can be collected separately or in an integrative way throughout the study. e. All of the above.
Melanie Rowe has as a grading system 94-100 = A; 85-93 = B; 75-84 = C; and 65-74 = D. She assigns grades to her tests based on that system. Janet Rogers creates a frequency distribution on each of her tests, looks for places where the scores tend to cluster, and assigns grades on that basis. Neither teacher determines in advance how many A's, B's, C's, etc. will be given. Which of the following
is the most accurate statement? a. Both teachers' systems are criterion referenced. b. Both teachers' systems are norm referenced. c. Melanie's system is criterion referenced, and Janet's system is a modification of norm referencing. d. Melanie's system is norm-referenced, and Janet's is a modification of norm referencing.
What was the result of a scientific study published by William Ripley of the Massachusetts Institute of Technology in which he categorized three European races?
a. The lessening of xenophobic fears because he proved there were few differences in the races b. An increase in immigration to the United States c. An increase in nativism by suggesting that individuals with blonde-hair and blue-eyes should be given preferential treatment d. An increase in intercultural marriages to improve the diversity their offspring
What is nonresponse bias, and why is it important? Give two examples of why this might be important—at least one of which was not mentioned in the text.
What will be an ideal response?