
PSYC2001 Statistical Terms Revision
Authored by Anael Ashok Kumar
Mathematics
University
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37 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the term "Standard Error" refer to in statistics?
The average result of all subjects observed.
The standard deviation of the sampling distribution of the mean.
The level of uncertainty the researcher is willing to accept.
The number of subjects observed.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the meaning of "Degrees of Freedom" in a sample?
The average difference between the scores and mean.
The number of subjects observed.
n – 1; where only 1 value is fixed in a sample.
The level of uncertainty the researcher is willing to accept.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In a "Single mean" design, how is the experiment run?
Participants are randomly allocated to a condition.
All participants do the same condition and the mean is considered.
All participants do multiple conditions regarding the same dependent variable.
The average difference between the scores relative to the mean is considered.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the "Alpha value (α)" represent in research?
The average result of all subjects observed.
The level of uncertainty the researcher is willing to accept.
How likely it is that any observed difference between groups is due to chance.
The standard deviation of the sampling distribution of the mean.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the sample parameter for "Variance"?
s
s²
σ
σ²
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the first step in calculating confidence intervals?
Determine the critical Z/t-score
Determine the sample mean
Determine the sum of squared means
Determine the standard error
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In hypothesis testing, what should you state first?
The sample mean
The critical Z/t-score
The null and alternative hypothesis
The standard error
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