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Variables and Levels of Measurement In Research Flashcards | StudBud
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Variables and Levels of Measurement In Research
Variables and Levels of Measurement In Research
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1
What is a key characteristic of nominal data?
It consists of categories with hierarchy.
It consists of categories with no numerical value.
It can be ordered in a meaningful way.
It has a true zero point.
2
What makes a source less reliable?
It comes from a scientific journal
It is peer-reviewed
It references multiple sources
It has financial connections to the information
3
The difference between interval and ratio levels of measurement is that interval measurements:
Have a true zero point
Have unequal intervals
Cannot be ordered
Have equal intervals but no true zero
4
Which of the following is measured a discrete variable?
The time it takes to complete a marathon, in hours and minutes.
The temperature in degrees Celsius.
The number of pets a person owns.
The length of a road in kilometers.
5
Which of the following best defines the ratio level of measurement?
ranks data in order but does not quantify the differences between ranks
categorizes data without any meaningful order
has both equal intervals and a true zero
has equal intervals between values but no true zero point
6
Which of the following is an example of categorical data?
the number of books on a bookshelf
the average temperature in Celcius of a Starbucks coffee
the color of cars in a parking lot
the average age of people that shop at Target
7
What level of measurement is the Hot Ones Scoville Rating scale an example of?
Nominal
Ratio
Ordinal
Interval
8
Exploratory data focuses on finding patterns in the data, whereas explanatory data aims to determine cause/effect.
false
true
9
Which of the following is an example of discrete data?
the height of a person in inches
the number of songs on an album
the weight of a newborn baby in kilograms
the time it takes to take an anatomy exam in minutes
10
Which of the following is an example of categorical data?
The age of participants in a study.
The number of hours worked per week.
The eye color of a group of people.
11
The Portney textbook for this class is a secondary source.
false
true
12
A collection of a group’s individual heights in inches would be an example of what type of variable?
Continuous
Discrete
13
Which of the following best describes the purpose of scientific literature databases?
To present opinion pieces and editorials on various topics.
To offer entertainment content and videos.
To compile a collection of scientific studies and articles for research.
To provide access to social media posts and news articles.
