Question 1

When you rank the data in a Spearman's r, you should…

Accepted Answer

A)   Rank the difference scores
B)   Rank the raw scores from variable X only
C)   Rank each variable separately
D)   Rank all data, regardless of variable C

Question 2

If you have tied ranks when calculating a Spearman's r, how would you analyse your dataset?

Accepted Answer

A)   Run Pearson's r on the ranked data
B)   Run Pearson's r on the raw data
C)   Run Spearman's r on the ranked data
D)   Run Spearman's r on the raw data A

Question 3

You are calculating a Spearman's r and you have 15 participants. What are the degrees of freedom?

Accepted Answer

A)   16
B)   15
C)   14
D)   13 D

Question 4

You are calculating a Spearman's r with df = 9 and a two tailed test with an alpha level of .050. What is the critical value?

Accepted Answer

A)   .648
B)   .618
C)   .536
D)   .709

Question 5

In the belief in the paranormal example, what are the X and Y ranked scored for the first participant?

Accepted Answer

A)   Xr = 7, Yr = 6
B)   Xr = 6, Yr = 7
C)   Xr = 24, Yr = 6
D)   Xr = 6, Yr = 24

Question 6

In the belief in the paranormal example, what is the calculated rs value?

Accepted Answer

A)   .738
B)   6
C)   .050
D)   .8929

Question 7

What is wrong with this reporting of a Spearman's r? rs (12) = .724, p .050

Accepted Answer

A)   There is no symbol between the p and the p value
B)   The p value is in the wrong place
C)   The df are in the wrong place
D)   The calculated value is in the wrong place

Question 8

When calculating a Spearman's r, what does ∑d2 calculate?

Accepted Answer

A)   The sum of the squared difference ranks
B)   The sum of the difference scores, which is then squared
C)   The sum of scores in condition d
D)   The sum of scores in condition 2

Question 9

You are calculating a Spearman's r with a calculated value of .898, df = 6 and a two tailed test. What is the smallest value at which this critical value is significant?

Accepted Answer

A)   .050
B)   .020
C)   .010
D)   .001

Question 10

When calculating a Spearman's r, how do you calculate the df?

Accepted Answer

A)   N - 1
B)   N -2
C)   N
D)   N*2

Question 11

Spearman's r is the non-parametric equivalent of which non-parametric test?

Accepted Answer

A)   One-way ANOVA
B)   Pearson's r
C)   Independent t test
D)   Repeated t test

Question 12

In the belief in the paranormal example, when calculating the statistic, what is the calculated sum on the lower part of the division within the equation?

Accepted Answer

A)   7
B)   36
C)   336
D)   343

Question 13

In the belief in the paranormal example, what is ∑d2?

Accepted Answer

A)   0
B)   1
C)   7
D)   6

Question 14

In the belief in the paranormal example, what type of relationship has been found?

Accepted Answer

A)   A not significant positive correlation
B)   A not significant negative correlation
C)   A significant positive correlation
D)   A significant negative correlation

Question 15

Spearman's r cannot be calculated if…

Accepted Answer

A)   You have no tied ranks
B)   You have tied ranks
C)   You expect to find a negative correlation
D)   You expect to find a positive correlation

Exam 16: Is There a Relationship Between Two Variables Spearmans Correlation