CNSL 503 Exam Module 7 Correlational
Analysis and Linear Regression Questions
and Answers
___..is..performed..to..measure..and..describe..how..two..quantitative..variables..are..
related..-..Correct..Answer-Correlational..analysis
Correlational..analysis..is..performed..when..variables..are..observed..in..their..___..r
ather..than..being..manipulated..in..a..study..-..Correct..Answer-
observed..in..their..natural..state
___..describes..the..direction..of..a..relationship,..form..of..a..relationship..(linear,..cur
vilinear,..quadratic,..or..cubic),..and..the..degree..of..a..relationship...-
..Correct..Answer-Correlation
___..describes..the..direction..of..the..linear..relationship..between..two..variables..-
..Correct..Answer-Covariance
If..two..variables..covary,..one..of..two..directions..exist..in..the..plot..of..variables:
1...
2...-..Correct..Answer-1...Both..variables..increase..or..decrease..together...
OR
2...As..one..variable..increases..the..other..decreases
, Covariance..does..not..imply..__..-..Correct..Answer-
Covariance..does..not..imply..causation
___..is..a..limitation..of..correlational..studies,..however,..correlation..being..establish
ed..is..the..first..step..in..determining..___..-..Correct..Answer-Causation,..causality
The..most..common..ways..correlations..are..represented..graphically..are..with..___,.
.a..graph..in..which..two..measurements..are..obtained..from..each..individual..in..the..
study..and..paired..variable..scores..are..plotted..as..coordinate..pairs...-
..Correct..Answer-scatterplots
In..scatterplots,..the..independent..variable..is..on..the..___..and..the..dependent..vari
able..is..on..the..__..-..Correct..Answer-
In..scatterplots,..the..independent..variable..is..on..the..x-
axis..and..the..dependent..variable..is..on..the..y-axis.
In..scatterplots,..the..independent..variable..is..called..the..___..and..the..dependent..
variable..is..called..the..__..-..Correct..Answer-explanatory,..response
A..linear..relationship..describes..when..plotted..pairs..___..-..Correct..Answer-
approximate..a..straight..line
A..positive..correlation..indicates..-..Correct..Answer-
that..both..variables..are..increasing..together
Analysis and Linear Regression Questions
and Answers
___..is..performed..to..measure..and..describe..how..two..quantitative..variables..are..
related..-..Correct..Answer-Correlational..analysis
Correlational..analysis..is..performed..when..variables..are..observed..in..their..___..r
ather..than..being..manipulated..in..a..study..-..Correct..Answer-
observed..in..their..natural..state
___..describes..the..direction..of..a..relationship,..form..of..a..relationship..(linear,..cur
vilinear,..quadratic,..or..cubic),..and..the..degree..of..a..relationship...-
..Correct..Answer-Correlation
___..describes..the..direction..of..the..linear..relationship..between..two..variables..-
..Correct..Answer-Covariance
If..two..variables..covary,..one..of..two..directions..exist..in..the..plot..of..variables:
1...
2...-..Correct..Answer-1...Both..variables..increase..or..decrease..together...
OR
2...As..one..variable..increases..the..other..decreases
, Covariance..does..not..imply..__..-..Correct..Answer-
Covariance..does..not..imply..causation
___..is..a..limitation..of..correlational..studies,..however,..correlation..being..establish
ed..is..the..first..step..in..determining..___..-..Correct..Answer-Causation,..causality
The..most..common..ways..correlations..are..represented..graphically..are..with..___,.
.a..graph..in..which..two..measurements..are..obtained..from..each..individual..in..the..
study..and..paired..variable..scores..are..plotted..as..coordinate..pairs...-
..Correct..Answer-scatterplots
In..scatterplots,..the..independent..variable..is..on..the..___..and..the..dependent..vari
able..is..on..the..__..-..Correct..Answer-
In..scatterplots,..the..independent..variable..is..on..the..x-
axis..and..the..dependent..variable..is..on..the..y-axis.
In..scatterplots,..the..independent..variable..is..called..the..___..and..the..dependent..
variable..is..called..the..__..-..Correct..Answer-explanatory,..response
A..linear..relationship..describes..when..plotted..pairs..___..-..Correct..Answer-
approximate..a..straight..line
A..positive..correlation..indicates..-..Correct..Answer-
that..both..variables..are..increasing..together
