Inferential Tests

Question 1

BINOMIAL SIGN TEST - Step 1

Answer 1

1st column - 2nd column

Question 2

BINOMIAL SIGN TEST - Step 2

Answer 2

Remove anyone with no Diff

Question 3

BINOMIAL SIGN TEST - Step 3

Answer 3

Code - or + for each difference/column

Question 4

BINOMIAL SIGN TEST - Step 4

Answer 4

Add up -s and +s

Question 5

BINOMIAL SIGN TEST - Step 5

Answer 5

OV (Observed Value) is least frequent Sign

Question 6

WILLCOXON - Step 1

Answer 6

1st column - 2nd column

Question 7

WILLCOXON - Step 2

Answer 7

Remove anyone with No Diff.

Question 8

WILLCOXON - Step 3

Answer 8

RANK the Diff.s LOW -> High
Ignore - signs

Question 9

WILLCOXON - Step 4

Answer 9

Shade in + & - Diff.s

Question 10

WILLCOXON - Step 5

Answer 10

“Sum of the ranks of the Least frequent Sign” = OV (must be less than)

Question 11

WILLCOXON - When to Use

Answer 11

• To find a Diff.
• Between either Ordinal or Interval data
• In Repeated Measures test

Question 12

MANN WHITNEY - Step 1

Answer 12

• Rank ALL Scores as 1 big group
• Lowest to Highest (1st-nth)

Question 13

MANN WHITNEY - Step 2

Answer 13

• Add up Each Group’s Total; R1 & R2

Question 14

MANN WHITNEY - Step 3

Answer 14

• Use given formula and use smaller value as OV

Question 15

MANN WHITNEY - Step 4

Answer 15

• Find the CV and compare to OV

Question 16

MANN WHITNEY - Tied Ranks

Answer 16

Add the ranks they would have occupied, Divide by no. of contestants

Question 17

MANN WHITNEY - When to Use

Answer 17

• Independent
• Difference
• Ordinal or Interval

Question 18

BINOMIAL SIGN TEST - When to Use

Answer 18

• Repeated measures
• Relationship
• Nominal data

Question 19

WILCOXON - When to Use

Answer 19

• Repeated Measures
• Relationship
• Ordinal or Interval

Question 20

SPEARMAN’S RHO - Step 1

Answer 20

• Rank both groups
  > Lowest to Highest

Question 21

SPEARMAN’S RHO - Step 2

Answer 21

• New Column for Diff.

Question 22

SPEARMAN’S RHO - Step 3

Answer 22

• New Column for Diff. Squared (so there are no negatives)

Question 23

SPEARMAN’S RHO - Step 4

Answer 23

• Add up final column = Σd(2)

Question 24

SPEARMAN’S RHO - Step 5

Answer 24

• Use Σd(2) in given formula to get OV

Question 25

SPEARMAN’S RHO - When to Use

Answer 25

• Association
• Correlation
• Ordinal or Interval

Question 26

(?) Column - (?) Column

Answer 26

1st Column - 2nd Column - EVERY TIME

Question 27

チ SQ (CHI SQUARED) - Step 1

Answer 27

Contingency table (often 2x2)

Question 28

チ SQ - Step 2

Answer 28

Get 2 totals of each axis, and then the overall (to check)

Question 29

チ SQ. - Step 3

Answer 29

Get Expected Cell Frequency of each Cell
> (row total x col. total)/overall total
> The OF (Observed Frequency) is the number in each cell

Question 30

チ SQ. - Step 4

Answer 30

Use given formula to find OV
> Σ = overall totals

Question 31

チ SQ. - Step 5

Answer 31

• Degrees of Freedom (instead of participant no.)
• DoF = (no. of rows - 1) x (no. of columns - 1)

Question 32

チ SQ. - When to Use

Answer 32

• Relationship or Association
• Independent or Correlation
• Nominal Data

Question 33

チ SQ. - Remember By

Answer 33

• 4 SQUARES table
• Hardest, like Japanese (チ)

Question 34

SPEARMAN’S RHO - Remember By

Answer 34

• Square Spearhead - diff. squared column

Question 35

WILCOXON - Remember By

Answer 35

• X > + (on its side(ish)) > + up the least common sign’s

Question 36

MANN-WHITNEY - Remember By

Answer 36

• 2 words
• 2 columns
• Add up & Formula 2 Columns separately

Question 37

Percentage Always Used in PSYCHOLOGY & Why

Answer 37

• 0.05 - 5%
• Good balance of risk and receiving significant results on a stable basis

Question 38

BINOMIAL SIGN TEST - Remember By

Answer 38

• Least Common SIGN