NAME THAT CORRELATION TEST
1.A school district wants t=
o know
if 1st to 6th grade students who perform well on the
language portion of the STAR 9 test also tend to score well on the math por=
tion
of the test. What
statistical test would determine if there were a signif=
icant
correlation between students’ scores on these tests?
2. For pe=
ople who
drink alcohol and smoke cigarettes, does the average amount of liquor people
consume correlate with the average amount of cigarettes they consume? If one collected data from 300
respondents on their drinking and smoking behavior, what statistical test should be employed?
3. At least two international organizations keep track=
of
civilian casualties in
4. H: Obesity (based on BMI scores) will correlate
negatively with self esteem (based on
5. Two Speech Language Pathologists independently exam=
ine
eight children for language delay.
Each therapist ranks orders the children from least delayed (#1) to =
most
delayed (#8). What
statistical test would determine if the two sets of rankings were in agreem=
ent?
6. A graduate program in Communication Arts & Sci=
ences
wants to know if applicants’ GRE scores, when they apply for admissio=
n to
the graduate program, correspond with their GPAs once they are enrolled in =
the
graduate program. Based on the
table below, do GRE scores correlate with graduate GPAs? Use the SPSS software to determine the answer.
|
Student |
1 |
2 |
3 |
4 |
5 |
6 |
7 |
8 |
9 |
10 |
11 |
12 |
|
710 |
610 |
640 |
580 |
545 |
560 |
610 |
530 |
560 |
540 |
570 |
560 |
|
|
4.0 |
4.0 |
3.9 |
3.8 |
3.7 |
3.6 |
3.5 |
3.5 |
3.5 |
3.3 |
3.2 |
3.2 |
7. A psychologist investigates the relationship betwe=
en the
average daily amount of television viewing and the reading skills of
children. The pattern of results in t=
he table
below suggests which of the following conclusions?
A. TV viewing increases reading comprehension but doe=
s not
increase reading speed.
B. TV viewing correlates more strongly with reading s=
peed
than reading comprehension.
C. TV viewing correlates more strongly with reading c=
omprehension
than to reading speed.
D. TV viewing correlates positively with reading
comprehension.
E. TV viewing has a diminishing relationship to readi=
ng
skills as the child grows order.
|
Age |
Correlation Between Hours Of Television Viewing and Reading
Speed |
Correlation Between Hours of
Television Viewing and |
|
6 |
+0.13 |
-0.31 |
|
7 |
-0.03 |
-0.35 |
|
8 |
+0.07 |
-0.41 |
|
9 |
-0.05 |
-0.43 |
|
10 |
+0.18 |
-0.46 |
8. All of the following are important assumptions of the Pearson r, except:
A. a bivariate correlation is being tested
B. the researcher has interval or ratio data
C. the suspected correlation is linear, as opposed to curvilinear
9. A child psychologist compares three conditions that involve children ages 10-15 viewing violence. One group is exposed to violent ca= rtoon shows. Another group is expos= ed to violent videogames. Another g= roup is exposed to violent reality shows. The dependent variable is a measure of the amount of antisocial beha= vior the children from each condition display on the playground during recess at school. What statistical test shoul= d be used?
A. Pearson r
B. Kendall’s tau
C. Correlation coefficient
D. Spearman rho
E. a correlation test is inappropriate
10. On average, men tend to marry women who are slightly younger than themselve= s.
Suppose that every man married a woman who was exactly .5 of a year
younger than themselves. Which of the following is c= orrect?
A. the correlation is −.5.
B. the correlation is .5.
C. the correlation is 1.
D. the correlation is −1.
E. the correlation is 0
11. A bivariate correlation with ranked data requires= :
A. Spearman rho
B. Pearson r
C. Cramer’s V
D. Chi square