Which measure of central tendency is most likely to be shown my means of a graph?
a. the mode c. the mean
b. the median d. the sum
When showing group means on a graph, _____.
a. line graphs are preferred
b. line graphs are only preferred when the independent variable is categorical
c. line graphs are preferred when the dependent variable is categorical
d. line graphs are no longer preferred
Given the following data set: 4, 2, 6, 2, 7, 5, 2, 3, the mode equals _____.
a. 2 c. 3.5
b. 3.875 d. none of these
Given the following set of scores, 2, 7, 4, 9, 5, 6, 1, the median equals _____.
a. 9 c. 4.86
b. 5 d. none of these
Given the following set of scores: 4, 7, 6, 6, 6, 5, 8, 3, 2, the mean equals _____.
a. 5.22 c. 6
b. 3.67 d. 9
Which of these is NOT a measure of central tendency
a. sample c. median
b. mean d. mode
During the data analysis phase of the research process, _____ statistics are used in order to determine how likely it is that the research results occurred by chance alone (meaning that the manipulation of the independent variable did not produce changes in the dependent variable).
a. descriptive c. computerized
b. computational d. inferential
During data analysis, the _____ statistics are first calculated in order to summarize the data.
a. descriptive c. computerized
b. computational d. inferential
The data collection stage of the research process involves mainly _____ logic, because it is collecting many observations or facts..
a. realistic c. simplistic
b. hypothetical d. inductive
If I want to use a within subjects design to study the effect of lighting conditions on the performance of a task, I would have _____.
a. all participants perform the task under both direct and indirect lighting
b. some participants perform the task under direct lighting and other participants perform the task under indirect lighting
c. all participants perform the task under direct lighting
d. all participants perform the task under indirect lighting
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