Sportcas.txt: 2 facet partial credit/rank order: Sportscasting

In 1988, the abilities of seven baseball announcers were ranked on 6 items of sportscasting performance (Polskin, H., 1988, The best sportscasters in baseball. TV Guide, 30 July). These are discussed in MFRM Chapter 12 (but analyzed by a different method). A satisfactory method of analyzing rank ordered data is to treat each ordering as a test item, and the numerical rank placement as partial credit grades on that item.

 

Facets specifications and data (in file Sportcas.txt):

 

Title = Rank orderings of Sportscasters (TV Guide July 30 1988)

facets = 2 ; two facets: sportscasters and ranking items

arrange = 1m,N ; arrange sportscasters by measure-descending, and all facets by element number

positive = 0 ; no facet is positive - lower number=higher rank

noncenter = 2 ; center sportscasters

unexpected = 2 ; report rankings, when standardized residual >=|2|

model = ?,#,R7 ; sportscasters, and rankings each with its own scale ("partial credit")

labels =

1,Sportscasters ; name of first facet

1=Vin Scully ; names of sportscasters

2=Bob Costas

3=Al Michaels

4=Skip Caray

5=Harry Caray

6=Ralph Kiner

7=Steve Zabriskie

*

2,Items of Performance ; name of second facet

1=Calling the game ; names of items on which sportscasters were ranked

2=Working with analyst ; Note: all items will have the same score and calibration

3=Broadcasting ability ; if data are complete, i.e., every sportscaster ranked on every item

4=Quality of anecdotes

5=Knowledge of baseball

6=Enthusiasm level

*

data = ;  each column = item, has 7 rankings

1,1-6,1,3,1,1,1,4 ; first datum is 1,1,1  = Vin Scully - Calling - Rank 1

2,1-6,2,1,3,2,3,3

3,1-6,3,2,2,3,4,2

4,1-6,4,4,4,4,6,6

5,1-6,5,7,5,6,5,1

6,1-6,7,6,7,5,2,7

7,1-6,6,5,6,7,7,5

 

or

 

dvalues = 2, 1-6 ; put 1-6 in data facet 2 of all data records

1, 1,3,1,1,1,4 ; first datum is 1,1,1  = Vin Scully - Calling - Rank 1

|

7, 6,5,6,7,7,5

 

The equivalent analysis using Winsteps is:

 

Title="Sportscasting"

NI=6

Item1=1

name1 = 8

codes=1234567

uscale=-1      ; reversed to give highest measure to lowest score

&end

Calling the game

Working with analyst

Broadcasting ability

Quality of anecdotes

Knowledge of baseball

Enthusiasm level

END NAMES

131114 Vin Scully

213233 Bob Costas

322342 Al Michaels

444466 Skip Caray

575651 Harry Caray

767527 Ralph Kiner

656775 Steve Zabriskie


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