Which one of the following examples illustrates qualitative change in development?
a. Maya learns a new memory strategy and memorizes the stages of development.
b. Riki reads every night and develops a large vocabulary for his age.
c. Bart practices and gradually improves his ability to throw a football.
d. Aza advances from Piaget's sensorimotor stage to the preoperational stage.
D
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Which of the following is incorrect?
A. Linear regression helps us discover by how much y will change when x changes. B. Linear regression relies on the line of best fit. C. The line of best fit with linear regression maximizes the distance between the scores and the regression line. D. Linear regression utilizes a line drawn through the scores where total error is minimized.
. A researcher directly controls for the probability of a ______, but does not directly control the probability of a ______.
A. type I error; alpha level B. type II error; beta level C. type I error; type II error D. type II error; type I error
What is the best definition of online learning?
A. A class that uses special video inserts to illustrate an instructor's classroom lecture B. A class that is being offered over the Internet instead of in a traditional classroom C. A class that uses the Internet to let classroom students communicate with international experts D. A class that teaches students to use the Internet to research financial aid options
The Period of PURPLE crying is:
A) A phase of infancy in which children cry more in response to their parents trying to soothe them B) When an infant cries so much that their face begins to look blue or purple C) An initiative to help parents understand the characteristics of infant crying D) When children cry during the wakefulness hours of their sleep-wake cycle