___________ in a given set of data, the average distance of scores away from the mean. One of the measures of dispersion.
Answer
Correct Answer:
Standard deviation
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______is a representative subset of a population.
Answer
Correct Answer:
Sample
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Inferential statistical tests that compare three measures taken on the different individuals are known as Repeated-measures t test .
Answer
Correct Answer:
False
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Measure of dispersion calculated by subtracting the highest score from the lowest score in a given set of data is known as Range.
Answer
Correct Answer:
False
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Statistical measure indicating the probability of chance occurrences in a given study is known as _________
Answer
Correct Answer:
P-value
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Determination of the significance of group differences, based on a subjective decision is known as ?
Answer
Correct Answer:
Practical significance
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Circular type of graph, showing the distribution of categorical scores in a data set is known as ?
Answer
Correct Answer:
Pie charts
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_________ is standardized test results that allow performance comparisons with other groups of students taking the test.
Answer
Correct Answer:
Norm-referenced
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Statistical procedures that indicate what is different within a group of scores. Include range and standard deviation is known as ________.
Answer
Correct Answer:
Measures of dispersion
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Process of logically analyzing ________data in order to reduce the volume of collected information is known as Inductive analysis.
Answer
Correct Answer:
Qualitative
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Inferential statistical technique appropriate for research designs where one group is compared on a common dependent variable is known as ?
Answer
Correct Answer:
Independent-measures t test
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Graphic representation of the distribution of a set of scores is known as ________.
Answer
Correct Answer:
Histograms
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Shows the distribution of scores, where individual score values are arranged from highest to lowest is known as ?
Answer
Correct Answer:
Frequency distribution table
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________ is a standardized test score, which provides data such as how many questions students attempted and how many correct answers they gave for each category of question.
Answer
Correct Answer:
Criterion-referenced
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System of categorization used to group qualitative data so that they provide similar types of information is known as ?
Answer
Correct Answer:
Coding scheme
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Inferential statistical test used to compare frequency counts by group is known as _______.
Answer
Correct Answer:
Chi-square test
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Graph similar to a _______but where adjacent bars do not touch because of the categorical nature of the variable Bar graphs.
Answer
Correct Answer:
Histogram
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Value that indicates the percentage of the time usually _______that we can be reasonably certain that the differences we obtain actually are due to chance.
Answer
Correct Answer:
5%
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During this step of qualitative data analysis, the teacher-researcher examines events, behaviors, or others’ observations--as represented in the coded categories--for relationships, similarities, contradictions, and so on.
Answer
Correct Answer:
Interpreting
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Which of the following specifically describes a system of categorization OR grouping of data that provides similar types of information?
Answer
Correct Answer:
Coding scheme
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The goal of inferential statistics is to determine how likely a given statistical result is for an entire population, based on a smaller subset, or sample, of that population.
Answer
Correct Answer:
True
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Correlation coefficients are best used in which of the following situations?
Answer
Correct Answer:
When the researcher wants to determine the direction and strength of the relationship between two variables
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Measures of dispersion are best used in which of the following situations?
Answer
Correct Answer:
When the researcher wants to indicate what is different within a group of scores
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When a researcher has influential outliers (scores that are quite different, in that they are extremely high or extremely low when compared to the rest of the scores in the set of data), what calculation is the most appropriate?
Answer
Correct Answer:
Standard deviation
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The mode is ______.
Answer
Correct Answer:
The most frequently occurring score in the overall set of scores
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The arithmetic average of a set of scores
Answer
Correct Answer:
The most frequently occurring score in the overall set of scores
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Which of the following best describes a situation in which the use of the mean is misleading?
Answer
Correct Answer:
In a class of 30 students, 2 students have test scores of “0” because they were expelled and the remaining students scored in the A and B range.
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In what situations are measures of central tendency used?
Answer
Correct Answer:
When the researcher wants to describe the collective level of performance, attitude, or opinion of a group of study participants
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The constant comparative method is best described as which of the following?
Answer
Correct Answer:
A method of analyzing qualitative data, namely by reducing and organizing the volume of information that has been collected, as well as a qualitative research design
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The process of analyzing qualitative data attempts to view the phenomenon of interest from a ______ perspective.
Answer
Correct Answer:
Holistic
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Analysis of variance (or ANOVA) is a variation of the independent-measures t test that is appropriately applied in research designs where there are only two groups.
Answer
Correct Answer:
False
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If a teacher-researcher determines that the means between two groups are statistically significant (p < .05), he or she can say there is a true difference between the groups: those who were in the treatment group and those who were in the control group.
Answer
Correct Answer:
True
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When using descriptive statistics in quantitative data analysis, statistical significance is determined statistically, while practical significance involves a subjective decision.
Answer
Correct Answer:
False
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Histograms, pie charts, and bar charts are common forms of frequency distribution tables that are used to display quantitative data.
Answer
Correct Answer:
True
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