BESC 3010 test two Questions with Detailed Verified Answers

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BESC 3010 test two Questions with
Detailed Verified Answers


Question: What is meant by a "manipulation" in the context of experimental
research?
Any variable that is controlled by the researcher
An unethical practice
The creation of emotions against the participant's will
The physical control of a respondent's body


Ans: Any variable that is controlled by the researcher


Question: The number of small businesses opened in a county each year is an
example of which level of measurement?
nominal
interval
ordinal
ratio


Ans: ratio


Question: The lowest level of measurement (i.e., the one that contains the
least information) is the ______ level of measurement.
interval
ratio
ordinal

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nominal


Ans: nominal


Question: If a person's employment is coded as Unemployed = 0 or Employed
= 1, then that variable is at the ______ level of measurement.
ordinal
nominal
interval
ratio


Ans: nominal


Question: A histogram is appropriate when the data are...
nominal or ordinal.
nominal, interval, or ratio.
interval or ratio.
ordinal.


Ans: interval or ratio.


Question: A bar chart would work best for which of the following
measurement scales?
Categorical levels
Ordinal or ratio
Nominal or interval
Quantitative levels

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Ans: Categorical levels


Question: A bell curve (i.e., a normal distribution) is...
leptokurtic.
mesokurtic.
uniform.
platykurtic.


Ans: mesokurtic


Question: Which measure of central tendency works best of negatively
skewed distributions?
Median
Mode
Mean
No measure is appropriate


Ans: Median


Question: What is the lowest level of measurement needed to calculate the
mode?
Interval
Any level but the distribution must be symmetrical
Nominal
Any level that doesn't have outliers


Ans: Nominal