PSYC300 Research Methods in Psychology
Week 7 Quiz Chapters 12 and 13
Question 1
______ refers to a set of techniques for summarizing and displaying data.
A. A distribution
B. A histogram
C. An outlier
D. Descriptive statistics
Question 2
An alternative to the mean is the ______.
A. mode
B. median
C. tendency
D. central tendency
Question 3
The _______ of a distribution is the extent to which the scores vary around their central tendency.
A. range
B. frequency
C. standard deviation
D. variability
Question 4
The location of a score within its distribution can be described using percentile ranks or _____.
A. t scores
B. central tendency
C. standard deviation
D. z scores
Question 5
It is also important to be able to describe the strength of a statistical relationship, which is often referred to as the ______.
A. Cohen’s d
B. standard deviation
C. correlation
D. effect size
Question 6 of 10 0.0/ 3.0 Points
To compare two means, the most common null hypothesis test is the _______.
A. Pearson’s r
B. factorial ANOVA
C. ANOVA
D. t test
Question 7
A ______ is a statistic that is computed only to help find the p value
A. t test
B. one-sample t test
C. critical value
D. test statistic
Question 8 of 10 0.0/ 3.0 Points
Statistical significance is not the same as _____ or ______.
A. probability, sampling size
B. relationship strength, importance
C. probability, outliers
D. null hypothesis, statistical relationship
Question 9
_____ testing is a formal approach to deciding whether a statistical relationship in a sample reflects a real relationship in the population or is just due to chance.
A. Population
B. Null hypothesis
C. Sampling
D. Hypothesis
Question 10
The corresponding values in the population are called ____.
A. outliers
B. errors
C. sampling errors
D. parameters
Recent Comments