SFL 290 MIDTERM QUESTIONS WITH VERIFIED
ANSWERS
What are the 4 ways to measure variables - answers - noir:
Nominal
Ordinal
Interval
Ratio
Nominal - answers - based on categories
Aren't ranked
Names variables
No numerical properties
Example of nominal - answers - gender, religion, race
Ordinal - answers - ordered variables matter
Ranks people
Distance between ranks we dont know, doesnt matter
Ordinal example - answers - -likert scale (strongly agree or agree or disagree or
strongly disagree)
-race placement
Youre not sure if someone who put strongly agree is that much different than someone
who said agree
Interval - answers - ordered variables
Ranks
Distance is known between the ranks
No true zero (0 doesnt mean nothing)
Interval example - answers - temperature
Calendar year
Knowing the time of racers in a race
Ratio - answers - ordered variables
Distance is known
True 0 (0 means none)
Ratio example - answers - number of years of education
How many shoes someone has
, 2 ways to measure variables (types of variables we can have) - answers - categorical
Continuous
Variables - answers - a concept that can take on more than one value (iq, age, marriage
satisfaction, gender)
Categorical variable - answers - put them into categories
(discrete)
Example: nominal (categories of religion, race fits into a category)
Continuous variable - answers - likert scales
Example: ordinal, interval, ratio (how productive was i today; 1-10)
2 types of research - answers - basic
Applied
Basic research - answers - simply want to know more about a topic
-no specific application of your findings
Basic research example - answers - studying how sleep impacts weight (its just to allow
people to know more, we're not going to organize a program or anything after we make
these findings)
Applied research - answers - find solutions
-addresses practical problems
Applied research examples - answers - program evaluation- evaluating a program like
head start to see the impact its actually having right now on children (based on our
research we're going to find ways to fix or improve the situation or program)
Types of sources - answers - general
Secondary
Primary
General sources - answers - not peer reviewed
General source examples - answers - google, magazines, newspapers, wikipedia
Secondary sources - answers - usually some kind of peer review
-info once removed
Secondary source examples - answers - textbooks, books on specific ideas (the author
writing the book didnt create the idea, it is more of a summary), review articles in
journals
Primary sources - answers - the original report, enough details to recreate study
ANSWERS
What are the 4 ways to measure variables - answers - noir:
Nominal
Ordinal
Interval
Ratio
Nominal - answers - based on categories
Aren't ranked
Names variables
No numerical properties
Example of nominal - answers - gender, religion, race
Ordinal - answers - ordered variables matter
Ranks people
Distance between ranks we dont know, doesnt matter
Ordinal example - answers - -likert scale (strongly agree or agree or disagree or
strongly disagree)
-race placement
Youre not sure if someone who put strongly agree is that much different than someone
who said agree
Interval - answers - ordered variables
Ranks
Distance is known between the ranks
No true zero (0 doesnt mean nothing)
Interval example - answers - temperature
Calendar year
Knowing the time of racers in a race
Ratio - answers - ordered variables
Distance is known
True 0 (0 means none)
Ratio example - answers - number of years of education
How many shoes someone has
, 2 ways to measure variables (types of variables we can have) - answers - categorical
Continuous
Variables - answers - a concept that can take on more than one value (iq, age, marriage
satisfaction, gender)
Categorical variable - answers - put them into categories
(discrete)
Example: nominal (categories of religion, race fits into a category)
Continuous variable - answers - likert scales
Example: ordinal, interval, ratio (how productive was i today; 1-10)
2 types of research - answers - basic
Applied
Basic research - answers - simply want to know more about a topic
-no specific application of your findings
Basic research example - answers - studying how sleep impacts weight (its just to allow
people to know more, we're not going to organize a program or anything after we make
these findings)
Applied research - answers - find solutions
-addresses practical problems
Applied research examples - answers - program evaluation- evaluating a program like
head start to see the impact its actually having right now on children (based on our
research we're going to find ways to fix or improve the situation or program)
Types of sources - answers - general
Secondary
Primary
General sources - answers - not peer reviewed
General source examples - answers - google, magazines, newspapers, wikipedia
Secondary sources - answers - usually some kind of peer review
-info once removed
Secondary source examples - answers - textbooks, books on specific ideas (the author
writing the book didnt create the idea, it is more of a summary), review articles in
journals
Primary sources - answers - the original report, enough details to recreate study
