Distinguish between a correlational research design and a correlation coefficient.
What will be an ideal response?
Ans: A correlational research design involves measurement of two variables; neither is manipulated. A correlation coefficient is an inferential statistical test that will tell us the strength and direction of a relationship between variables (if the research design is correlational) or about the effect of one variable on the other (if the research design is experimental).
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According to research discussed in your textbook, which of the following is true about resilience?
a. Most children do not recover from adversity. b. There is something special and rare about people who can recover from adversity. c. Those with an insecure attachment style recover more easily from adversity. d. Children are fairly resilient to trauma, especially if they have easygoing temperaments or personality
________ studies examine whether genes that vary in people are correlated with particular trait.
A. Gemellology B. Genome mapping C. Gene-by-behavior D. Gene-by-environment
Projections by experts are that by the year 2020, _______ of the total U.S. population will be over the age of 75 years
A) ?over 10% B) ?below 5% C) ?above 6% D) ?about 20%
Princeton Review's Gourman Report rankings for the top psychology PhD programs in the United States is an example of ordinal data.
Answer the following statement true (T) or false (F)