Dr. Shang is studying the effects of caffeine on hunger. He hypothesizes that people who ingest more caffeine experience less hunger pangs throughout the day. He designs a study where one group of participants is given caffeine throughout the day, and the other group is not allowed to have any caffeine. He then has the two groups journal their hunger pangs throughout the day and he compares the results. Inthis study, the dependent variable is:
A)the number of hunger pangs a participant experiences.
B)the amount of caffeine a person ingests.
C)the time of day when the hunger pangs happen.
D)the age of the participant.
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Arts, 26.06.2019 12:30, 1jennator
Which sentences correctly discusses linear perspective? in this perspective, lines converge to a vanishing point to produce an illusion of depth. you perceive depth when an objects size shrinks as its distance grows. the artist creates an illusion of depth through an increased blurring of lines and decreased detail of objects as they recede away from your view, as you might find in scenes of nature. you perceive depth through the contrast of the sharp foreground details with the muted tones and hazy images of the background.
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Dr. Shang is studying the effects of caffeine on hunger. He hypothesizes that people who ingest more...
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