If you track the frequency by which popcorn kernels pop, few kernels pop early or late; most pop around the same time. This frequency chart is a good example of a ________ frequency graph.
a. flat
b. positively skewed
c. negatively skewed
d. normal bell
Ans: d. normal bell
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When a sparkler is twirled rapidly, people perceive a circle of light. This occurs because
a. the trail you see is caused by sparks left behind from the sparkler. b. due to its differing wavelengths, the light from the sparkler continues to radiate for about a second after it goes out. c. the length of iconic memory (the persistence of vision) is about a fraction of a second. d. Gestalt principles work to complete the circle in our minds.
dynamic system theories focus on how changes in actions occur _____
Fill in the blank(s) with the appropriate word(s).
The notion of love as a basis for marriage became widespread in the
A) fourteenth century. B) sixteenth century. C) seventeenth century. D) nineteenth century.
If an infant's brain has been damaged due to injury or illness, what is likely to happen?
A. The functions that are associated with the damaged areas are permanently lost. B. Other parts of the brain can assume the functions of the damaged area. C. The affected areas will grow new neurons and resume functioning. D. The damaged areas will begin infecting other areas until complete brain death occurs.