cc8 1. Jack administered an achievement test with an internal consistency reliability of .65. Jack should interpret this

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cc8
1. Jack administered an achievement test with an internal
consistency reliability of .65. Jack should interpret this result
as
Group of answer choices
a. high internal consistency reliability.
d. low internal consistency reliability.
c. acceptable internal consistency reliability.
b. moderate internal consistency reliability.
2.
Joyce read a study that reported students' age was
correlated r = -.68 with classroom management
referrals. This correlation indicates as age increases
Group of answer choices
a. classroom management referrals are about equally likely to
decrease or increase.
b. classroom management referrals are more likely to
decrease.
c. classroom management referrals are more likely to
increase.
d. classroom management referrals are likely to remain at the
same level.
3.
As a researcher you are interested in self-reported changes in
interest in music in the senior population. You will collect data
at the time of retirement and select a new sample of individuals at
the time of retirement each year for five years. This type of
research can be classified best as a(n)
Group of answer choices
b. panel poll.
a. trend survey.
d. follow-up survey.
c. cohort survey.
4.
A correlation between reading and math achievement scores
on a national standardized test for first graders indicates a
correlation of r = .90. How much variance do
these scores share?
Group of answer choices
c. 81%
a. 30%
d. 90%
b. 45%
5.
According to your text, one particular challenge of survey
studies is that
Group of answer choices
d. it is not possible to obtain valid results from survey
studies.
b. survey studies are more challenging to conduct than other
types of research.
c. survey studies often suffer from lack of participant
response.
a. people do not believe the findings from survey studies.
6.
Which of the following CANNOT be a correlation coefficient?
Group of answer choices
b. 0.0
c. .72
d. 2.1
a. -.80
7.
Generally, when more variables are added to a prediction
equation
Group of answer choices
c. less variance in the criterion variable is accounted for.
d. less variance in the predictor variable is accounted for.
b. more variance in the predictor variables is accounted
for.
a. more variance in the criterion variable is accounted for.
8.
Of the following, which is the sample technique most often used
in survey research?
Group of answer choices
c. Systematic
d. Purposive
a. Cluster
b. Stratified
9.
Which of the following represents the strongest correlation?
Group of answer choices
c. .35
a. -.85
b. 0.0
d. .65