Descriptive and Inferential Statistics 90%
__________ correlation between two variables means that as scores on one variable increase,
then scores on another variable also increase.
A negative
No
A neutral
A positive - a positive
__________ is an example of a directional research hypothesis.
A.
"Happiness level varies by age"
B.
"Car color affects the number of traffic tickets given"
C.
"The amount of television watched affects grades"
D.
"Males report higher marital satisfaction than females" - d?
A negative correlation between two variables indicates that one variable score increases as
another variable score decreases. - true
A nondirectional alternative hypothesis claims that no difference will be found between the
research variables.
t/f? - false?
A research study that produces a correlation coefficient of -0.90 indicates __________
relationship between variables.
A.
a medium positive
B.
a strong negative
C.
no
D.
a weak negative - b?
A researcher claiming that females were more empathetic than males would test that hypothesis
by using __________ statistics.
A.
inferential
B.
exploratory
, C.
descriptive
D.
correlational - a
A specific factor having a range of possible values is a __________.
A.
variable
B.
mean
C.
median
D.
mode - a
A statistical analysis used to examine the influence of one variable on another is __________.
A.
correlation
B.
regression
C.
description
D.
comparison - b
A(n) __________ refers to a specific factor that has a range of possible values.
A.
hypothesis
B.
method
C.
variable
D.
observation - c
Based on the location of the observed test value, what would a psychologist conclude about the
research results?
A.
The psychologist would claim that the research results were significant.
B.
The psychologist would claim that the research results were nonsignificant.
C.
The psychologist would claim that there is insufficient data in the research.
D.
The psychologist would claim that the critical values are inaccurate. - b
__________ correlation between two variables means that as scores on one variable increase,
then scores on another variable also increase.
A negative
No
A neutral
A positive - a positive
__________ is an example of a directional research hypothesis.
A.
"Happiness level varies by age"
B.
"Car color affects the number of traffic tickets given"
C.
"The amount of television watched affects grades"
D.
"Males report higher marital satisfaction than females" - d?
A negative correlation between two variables indicates that one variable score increases as
another variable score decreases. - true
A nondirectional alternative hypothesis claims that no difference will be found between the
research variables.
t/f? - false?
A research study that produces a correlation coefficient of -0.90 indicates __________
relationship between variables.
A.
a medium positive
B.
a strong negative
C.
no
D.
a weak negative - b?
A researcher claiming that females were more empathetic than males would test that hypothesis
by using __________ statistics.
A.
inferential
B.
exploratory
, C.
descriptive
D.
correlational - a
A specific factor having a range of possible values is a __________.
A.
variable
B.
mean
C.
median
D.
mode - a
A statistical analysis used to examine the influence of one variable on another is __________.
A.
correlation
B.
regression
C.
description
D.
comparison - b
A(n) __________ refers to a specific factor that has a range of possible values.
A.
hypothesis
B.
method
C.
variable
D.
observation - c
Based on the location of the observed test value, what would a psychologist conclude about the
research results?
A.
The psychologist would claim that the research results were significant.
B.
The psychologist would claim that the research results were nonsignificant.
C.
The psychologist would claim that there is insufficient data in the research.
D.
The psychologist would claim that the critical values are inaccurate. - b
