In a correlational study,
a. only the independent variable is manipulated.
b. only the dependent variable is manipulated.
c. no variables can be manipulated.
d. there are no dependent or independent variables as such.
e. there are no confounding variables.
d. there are no dependent or independent variables as such.
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Preschoolers who watch the television show Sesame Street have been shown to ____ in kindergarten than children who have not watched the show
a. be less social b. be more violent c. have larger vocabularies d. have less inner speech
An orchestral conductor has asked the timpani player to create a louder sound. In terms of amplitude, the conductor is asking the timpanist to produce a higher level of:
a. decibels b. geons c. hertz d. convergence
Stress causes all of the following EXCEPT ______.
A. general increased immune system activity B. activation of the hypothalamus-adrenal-axis C. increased cortisol increases energy levels D. decreasing heart rate
In a population of N = 10 scores, the smallest score is X = 8 and the largest score is X = 20. Using the concept of real limits, what is the range for this population?
A) ?11 B) ?12 C) ?13 D) ?20