A researcher investigates whether there is a relationship between participating in school clubs and GPA by comparing GPAs from 40 students who are members of at least one school club with those from 40 students who are not members of a club. What is the independent variable in this study?
What will be an ideal response?
Participation in clubs serves as the independent variable.
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In terms of sound waves, frequency refers to the
a. peak-to-valley height of the wave. b. number of vibrations the wave completes in a given time. c. physical strength of the wave as determined by the listener. d. relative complexity of the waveform. e. loudness of the sound.
It is a greater challenge to wean a toddler from breast milk than to wean an infant because ____
a. breast-feeding a toddler is more socially acceptable in many cultures b. the toddler is more socially aware and has a greater capacity to exercise intentional behavior c. the toddler has developed teeth and might resist unconsciously with negative behaviors d. the toddler has greater emotional instability an infant
Archeological evidence and ancient writings suggest that the oldest use of the hemp plant was to
a. make rope. b. remedy diarrhea. c. smoke in religious ceremonies. d. get high. e. cool the uterus.
Constructive alternativism reminds us that all our present perceptions are open to question and reconsideration
Indicate whether the statement is true or false.