As a researcher, you are interested in how the scores in your data set are dispersed. Specifically, you want to know the average difference between each score and the mean. You would find out this information by looking at the ____
a. ?range
b. ?variance
c. ?standard deviation
d. ?correlation coefficient
ANSWER:
c
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The symbol p is commonly used to refer to
a. any value for the observed variable. b. a value from a standard normal distribution. c. the probability for the occurrence of an observation. d. none of the above
This is the workings of our auditory working memory system.
a. Phonological Loop b. Visuospatial Sketchpad c. Sounding instrument d. Episodic Buffer
A young woman returns from a day at the beach to find she has developed a severe sunburn. Which neurons are sending messages from her burned skin to her brain informing her of the pain from the burn?
a. afferent neurons b. efferent neurons c. interactive neurons d. motor neurons
Jose is in a study to measure the effects of caffeine on mental performance. If Jose is given a caffeine-free beverage that tastes just like a beverage with caffeine, we would say that he is
a. in the experimental group.
b. in a correlational study.
c. receiving a placebo.
d. receiving the dependent variable.
e. participating in introspection research.