Table 12 Item maps with full item labels

(controlled by LINELENGTH=, IPEXTREME=, MRANGE=, MTICK=, MAXPAGE=, NAMLMP=, ISORT=, T1P#=)

 

LINELENGTH=200 or higher if the displayed labels are too short.

 

Table 12.2 Item map with full labels

 

MEASURE       KID - MAP - ACT

              <more>|<rare>

   5             .  +

                 .  |

                    |

   4             .  +

                 .  |

                 . T|

   3             .  +

                 .  |T

                ##  |  FIND BOTTLES AND CANS

                       WATCH A RAT

   2           .## S+

                ##  |  LOOK IN SIDEWALK CRACKS

                       WATCH BUGS

                       WATCH GRASS CHANGE

              .###  |S

   1         .#### M+  WATCH ANIMAL MOVE

               .##  |  LEARN WEED NAMES

                       MAKE A MAP

                       TALK W/FRIENDS ABOUT PLANTS

           #######  |  LOOK AT PICTURES OF PLANTS

                       LOOK UP STRANGE ANIMAL OR PLANT

                       READ BOOKS ON PLANTS

   0        .#####  +M FIND OUT WHAT ANIMALS EAT

                       WATCH WHAT ANIMALS EAT

                 # S|  FIND OUT WHAT FLOWERS LIVE ON

                       READ ANIMAL STORIES

                       WATCH BIRDS

                 #  |  READ BOOKS ON ANIMALS

  -1             #  +  FIND WHERE ANIMAL LIVES

                       WATCH BIRD MAKE NEST

                 #  |S GROW GARDEN

                       LISTEN TO BIRD SING

                 . T|

  -2                +  GO TO MUSEUM

                    |  GO TO ZOO

                    |T

  -3                +  GO ON PICNIC

              <less>|<freq>

EACH "#" IS 2: EACH "." IS 1

In Table 12.2, the full item names are shown located at their calibrated MEASURE in Table 13.1, along with the person distribution according to Table 17.1. You can use NAMLMP= or IMAP= to control the number of characters of each name reported. MAXPAGE= controls the length of the Table. MRANGE= controls the displayed range of measures. ISORT= controls the sort order within rows. You can adjust these values from the "Specification" pull-down menu and then select Table 12 from the Output Tables menu. Thus you can experiment without needing to rerun the analysis.

 

Where there are more items than can be shown on one line, the extra items are printed on subsequent lines, but the latent variable "|" does not advance and is left blank.

 

In subtable 12.12, the items are arranged by easiness. The item hierarchy is reversed.

 

T1P#= sets the number of persons for each #

 

Items arranged by measure: Look for the hierarchy of item names to spell out a meaningful construct from easiest (highest proportion-correct-value or highest average rating) at the bottom to hardest (lowest proportion-correct-value or lowest average rating) at the top.

 

Column labels in Tables 12.2, 12.5, 12.6, 12.7, 12.8

PERSON=

MAP

ITEM=

MORE=

RARE=

 

 

LESS=

FREQ= frequent

 

Table 12.5 Item map showing expected score zones

 

MEASURE       KID - MAP - ACT - Expected score zones (Rasch-half-point thresholds)

              <more>|<rare>  Neutral                      Like

   5             .  +

                 .  |

                    |

   4             .  +

                 .  |                                     FIND BOTTLES AND CANS         .15

                 . T|                                     WATCH A RAT                   .15

   3             .  +                                     LOOK IN SIDEWALK CRACKS       .15

                                                          WATCH BUGS                    .15

                                                          WATCH GRASS CHANGE            .15

                 .  |T

                ##  |                                     WATCH ANIMAL MOVE             .15

   2           .## S+                                     LEARN WEED NAMES              .15

                ##  |                                     LOOK AT PICTURES OF PLANTS    .15

                                                          MAKE A MAP                    .15

                                                          READ BOOKS ON PLANTS          .15

                                                          TALK W/FRIENDS ABOUT PLANTS   .15

              .###  |S FIND BOTTLES AND CANS         .05  FIND OUT WHAT ANIMALS EAT     .15

                                                          LOOK UP STRANGE ANIMAL OR PLAN.15

                                                          WATCH WHAT ANIMALS EAT        .15

   1         .#### M+  WATCH A RAT                   .05  FIND OUT WHAT FLOWERS LIVE ON .15

               .##  |  WATCH BUGS                    .05  READ ANIMAL STORIES           .15

                       WATCH GRASS CHANGE            .05  WATCH BIRDS                   .15

           #######  |  LOOK IN SIDEWALK CRACKS       .05  FIND WHERE ANIMAL LIVES       .15

                                                          READ BOOKS ON ANIMALS         .15

                                                          WATCH BIRD MAKE NEST          .15

   0        .#####  +M WATCH ANIMAL MOVE             .05  GROW GARDEN                   .15

                 # S|  LEARN WEED NAMES              .05  LISTEN TO BIRD SING           .15

                 #  |  LOOK AT PICTURES OF PLANTS    .05

                       MAKE A MAP                    .05

                       READ BOOKS ON PLANTS          .05

                       TALK W/FRIENDS ABOUT PLANTS   .05

  -1             #  +  FIND OUT WHAT ANIMALS EAT     .05  GO TO MUSEUM                  .15

                       LOOK UP STRANGE ANIMAL OR PLAN.05

                       WATCH WHAT ANIMALS EAT        .05

                 #  |S FIND OUT WHAT FLOWERS LIVE ON .05  GO TO ZOO                     .15

                 . T|  READ ANIMAL STORIES           .05

                       WATCH BIRDS                   .05

  -2                +  FIND WHERE ANIMAL LIVES       .05  GO ON PICNIC                  .15

                       READ BOOKS ON ANIMALS         .05

                       WATCH BIRD MAKE NEST          .05

                    |  GROW GARDEN                   .05

                    |T LISTEN TO BIRD SING           .05

  -3                +

                    |  GO TO MUSEUM                  .05

                    |  GO TO ZOO                     .05

  -4                +

                    |  GO ON PICNIC                  .05

                    |

  -5                +

              <less>|<freq>  Dislike                      Neutral

EACH "#" IS 2: EACH "." IS 1

Table 12.5 is only produced when there are polytomous items. It shows the items positioned at the lower edge of each expected score zone (the half-point thresholds). The expected score zone above "item-label .2½"  extends from expected category score 2.5 to 3.5. Lower than "item-label.0½" is the zone from 0 to 0.5. These correspond to the thresholds on the Expected Score ICC.

 

If you put the item number at the start of the item labels after &END, you can show only the item numbers on this plot by using NAMLMP= or IMAP=.

Column headings are the category labels that match the (rescored) category numbers in CFILE= or CLFILE=.

 

Where there are more items than can be shown on one line, the extra items are printed on subsequent lines, but the latent variable "|" does not advance and is left blank. The plotted values are in the ISFILE=.

 

The half-point thresholds are indicated by .n½ when ASCII=No or ASCII=Web, or .n5 when ASCII=Yes

 

Increase the length of the displayed lines with LINELENGTH=

Table 12.6 Item map showing 50% cumulative probabilities (Rasch-Thurstone thresholds)

 

MEASURE       KID - MAP - ACT - 50% Cumulative probabilities (Rasch-Thurstone thresholds)

              <more>|<rare>  Neutral                      Like

   5             .  +

                 .  |

                    |

   4             .  +

                 .  |

                 . T|                                     FIND BOTTLES AND CANS          .2

                                                          WATCH A RAT                    .2

   3             .  +

                 .  |T                                    LOOK IN SIDEWALK CRACKS        .2

                                                          WATCH BUGS                     .2

                                                          WATCH GRASS CHANGE             .2

                ##  |

   2           .## S+                                     WATCH ANIMAL MOVE              .2

                ##  |                                     LEARN WEED NAMES               .2

                                                          MAKE A MAP                     .2

                                                          TALK W/FRIENDS ABOUT PLANTS    .2

              .###  |S FIND BOTTLES AND CANS          .1  LOOK AT PICTURES OF PLANTS     .2

                       WATCH A RAT                    .1  LOOK UP STRANGE ANIMAL OR PLANT.2

                                                          READ BOOKS ON PLANTS           .2

   1         .#### M+                                     FIND OUT WHAT ANIMALS EAT      .2

                                                          WATCH WHAT ANIMALS EAT         .2

               .##  |  LOOK IN SIDEWALK CRACKS        .1  FIND OUT WHAT FLOWERS LIVE ON  .2

                       WATCH BUGS                     .1  READ ANIMAL STORIES            .2

                       WATCH GRASS CHANGE             .1  WATCH BIRDS                    .2

           #######  |                                     READ BOOKS ON ANIMALS          .2

   0        .#####  +M WATCH ANIMAL MOVE              .1  FIND WHERE ANIMAL LIVES        .2

                                                          WATCH BIRD MAKE NEST           .2

                 # S|  LEARN WEED NAMES               .1  GROW GARDEN                    .2

                       MAKE A MAP                     .1  LISTEN TO BIRD SING            .2

                       TALK W/FRIENDS ABOUT PLANTS    .1

                 #  |  LOOK AT PICTURES OF PLANTS     .1

                       LOOK UP STRANGE ANIMAL OR PLANT.1

                       READ BOOKS ON PLANTS           .1

  -1             #  +  FIND OUT WHAT ANIMALS EAT      .1  GO TO MUSEUM                   .2

                       WATCH WHAT ANIMALS EAT         .1

                 #  |S FIND OUT WHAT FLOWERS LIVE ON  .1  GO TO ZOO                      .2

                       READ ANIMAL STORIES            .1

                       WATCH BIRDS                    .1

                 . T|  READ BOOKS ON ANIMALS          .1

  -2                +  FIND WHERE ANIMAL LIVES        .1  GO ON PICNIC                   .2

                       WATCH BIRD MAKE NEST           .1

                    |  GROW GARDEN                    .1

                       LISTEN TO BIRD SING            .1

                    |T

  -3                +  GO TO MUSEUM                   .1

                    |  GO TO ZOO                      .1

                    |

  -4                +  GO ON PICNIC                   .1

                    |

                    |

  -5                +

              <less>|<freq>  Dislike                      Neutral

EACH "#" IS 2: EACH "." IS 1

Table 12.6 is only produced when there are polytomous items.

 

The right-hand column shows the items positioned at median 50% cumulative probability (the Rasch-Thurstone thresholds) at the lower edge of each rating probability zone. Above label.1,  categories 1 and above are more probable. Below label.2, categories 1 and below are most probable. Between label.1 and label.2 is the zone which can be thought of as corresponding to a rating of 1.  These correspond to the Cumulative Probability thresholds.

 

If you put the item number at the start of the item labels after &END, you can show only the item numbers on this plot by using NAMLMP= or IMAP=. Columns are headed by the (rescored) categories in CFILE=.

 

Where there are more items than can be shown on one line, the extra items are printed on subsequent lines, but the latent variable "|" does not advance and is left blank. The plotted values are in the ISFILE=.

 

Left-hand column shows the distribution of person ability measures along the variable.

Table 12.7 Item map with Andrich thresholds (modal categories if ordered)

 

MEASURE       KID - MAP - ACT - Andrich thresholds (modal categories if ordered)

              <more>|<rare>  Neutral                      Like

   5             .  +

                 .  |

                    |

   4             .  +

                 .  |

                 . T|                                     FIND BOTTLES AND CANS          .2

   3             .  +                                     WATCH A RAT                    .2

                 .  |T                                    LOOK IN SIDEWALK CRACKS        .2

                                                          WATCH BUGS                     .2

                                                          WATCH GRASS CHANGE             .2

                ##  |

   2           .## S+                                     WATCH ANIMAL MOVE              .2

                ##  |  FIND BOTTLES AND CANS          .1  LEARN WEED NAMES               .2

              .###  |S WATCH A RAT                    .1  LOOK AT PICTURES OF PLANTS     .2

                                                          MAKE A MAP                     .2

                                                          READ BOOKS ON PLANTS           .2

                                                          TALK W/FRIENDS ABOUT PLANTS    .2

   1         .#### M+  WATCH BUGS                     .1  FIND OUT WHAT ANIMALS EAT      .2

                       WATCH GRASS CHANGE             .1  LOOK UP STRANGE ANIMAL OR PLANT.2

                                                          WATCH WHAT ANIMALS EAT         .2

               .##  |  LOOK IN SIDEWALK CRACKS        .1  FIND OUT WHAT FLOWERS LIVE ON  .2

           #######  |  WATCH ANIMAL MOVE              .1  READ ANIMAL STORIES            .2

                                                          WATCH BIRDS                    .2

   0        .#####  +M LEARN WEED NAMES               .1  FIND WHERE ANIMAL LIVES        .2

                                                          READ BOOKS ON ANIMALS          .2

                                                          WATCH BIRD MAKE NEST           .2

                 # S|  LOOK AT PICTURES OF PLANTS     .1  GROW GARDEN                    .2

                       MAKE A MAP                     .1

                       READ BOOKS ON PLANTS           .1

                       TALK W/FRIENDS ABOUT PLANTS    .1

                 #  |  FIND OUT WHAT ANIMALS EAT      .1  LISTEN TO BIRD SING            .2

                       LOOK UP STRANGE ANIMAL OR PLANT.1

                       WATCH WHAT ANIMALS EAT         .1

  -1             #  +

                 #  |S FIND OUT WHAT FLOWERS LIVE ON  .1  GO TO MUSEUM                   .2

                       READ ANIMAL STORIES            .1

                       WATCH BIRDS                    .1

                 . T|  FIND WHERE ANIMAL LIVES        .1  GO TO ZOO                      .2

                       READ BOOKS ON ANIMALS          .1

                       WATCH BIRD MAKE NEST           .1

  -2                +  GROW GARDEN                    .1

                    |  LISTEN TO BIRD SING            .1  GO ON PICNIC                   .2

                    |T

  -3                +  GO TO MUSEUM                   .1

                    |  GO TO ZOO                      .1

                    |

  -4                +  GO ON PICNIC                   .1

                    |

                    |

  -5                +

              <less>|<freq>  Dislike                     Neutral

EACH "#" IS 2: EACH "." IS 1

Table 1.7 is only produced when there are polytomous items.

 

The right-hand column shows the items positioned at their Andrich thresholds (points of equal probability of adjacent categories) at the lower edge of each rating probability zone. When the thresholds are ordered, above label.2, the most probable category is 2. Below label.1, the most probable category is 0. Between label.1 and label.2 is the zone which can be thought of as corresponding to a rating of 1.

 

If you put the item number at the start of the item labels after &END, you can show only the item numbers on this plot by using NAMLMP= or IMAP=. Columns are headed by the (rescored) categories in CFILE=.

 

Where there are more items than can be shown on one line, the extra items are printed on subsequent lines, but the latent variable "|" does not advance and is left blank. The plotted values are in the ISFILE=.

 

Left-hand column shows the distribution of person ability measures along the variable.

 

Table 12.8 Item map of measures for category scores (maximum probability of observing a category))

 

MEASURE       KID - MAP - ACT - Measures for category scores (maximum probability of observing a category)

              <more>|<rare>  Dislike                    Neutral                          Like

   7             .  +

                    |

                    |

                    |

   6                +

                    |

                    |

                    |

   5                +

                 .  |                                                                    Find bottles and cans        .2

                    |

                    |                                                                    Watch a rat                  .2

   4             .  +                                                                    Watch grass change           .2

                    |                                                                    Look in sidewalk cracks      .2

                                                                                         Watch bugs                   .2

                 .  |

                 . T|

   3             .  +                                                                    Watch animal move            .2

                 .  |T                                                                   Learn weed names             .2

                 #  |                                   Find bottles and cans        .1  Look at pictures of plants   .2

                                                                                         Look up strange animal or pla.2

                                                                                         Make a map                   .2

                                                                                         Read books on plants         .2

                                                                                         Talk w/friends about plants  .2

                 #  |                                   Watch a rat                  .1  Watch what animals eat       .2

   2           .## S+                                                                    Find out what animals eat    .2

                ##  |                                   Look in sidewalk cracks      .1  Find out what flowers live on.2

                                                        Watch bugs                   .1  Watch birds                  .2

                                                        Watch grass change           .1

                 #  |S                                                                   Read animal stories          .2

                                                                                         Read books on animals        .2

               .##  |                                                                    Watch bird make nest         .2

   1           ### M+                                   Watch animal move            .1  Find where animal lives      .2

               .##  |                                   Learn weed names             .1  Grow garden                  .2

               ###  |                                   Look at pictures of plants   .1  Listen to bird sing          .2

                                                        Make a map                   .1

                                                        Read books on plants         .1

                                                        Talk w/friends about plants  .1

          .#######  |  Find bottles and cans        .0  Look up strange animal or pla.1

                                                        Watch what animals eat       .1

   0          .###  +M Watch a rat                  .0  Find out what animals eat    .1  Go to museum                 .2

                 . S|  Watch bugs                   .0  Find out what flowers live on.1

                 .  |  Look in sidewalk cracks      .0  Read animal stories          .1  Go to zoo                    .2

                       Watch grass change           .0  Watch birds                  .1

                 #  |                                   Read books on animals        .1

                                                        Watch bird make nest         .1

  -1             #  +  Watch animal move            .0  Find where animal lives      .1  Go on picnic                 .2

                 #  |  Learn weed names             .0  Grow garden                  .1

                 . T|S Look at pictures of plants   .0  Listen to bird sing          .1

                       Make a map                   .0

                       Talk w/friends about plants  .0

                    |  Read books on plants         .0

                       Watch what animals eat       .0

  -2                +  Find out what animals eat    .0  Go to museum                 .1

                       Look up strange animal or pla.0

                    |  Find out what flowers live on.0

                    |  Read animal stories          .0  Go to zoo                    .1

                    |T Watch bird make nest         .0

                       Watch birds                  .0

  -3                +  Find where animal lives      .0  Go on picnic                 .1

                       Read books on animals        .0

                    |  Grow garden                  .0

                    |  Listen to bird sing          .0

                    |

  -4                +  Go to museum                 .0

                    |

                    |  Go to zoo                    .0

                    |

  -5                +

                    |  Go on picnic                 .0

                    |

                    |

  -6             #  +

              <less>|<freq>  Dislike                   Neutral                           Like

EACH "#" IS 2: EACH "." IS 1

Table 12.8 is only produced when there are polytomous items.

 

The right-hand column shows the items positioned at the measures where the expected score on the item = the category number. This is also the measure at which the category has its highest probability. Extreme categories are shown at measures corresponding to the category score adjustedby  .25 score points (or LOWADJ= and HIADJ=) .

 

If you put the item number at the start of the item labels after &END, you can show only the item numbers on this plot by using NAMLMP= or IMAP=. Columns are headed by the (rescored) categories in CFILE=.

 

Where there are more items than can be shown on one line, the extra items are printed on subsequent lines, but the latent variable "|" does not advance and is left blank. The plotted values are in the ISFILE=.

 

Left-hand column shows the distribution of person ability measures along the variable.

 

Increase the length of the displayed lines with LINELENGTH=

 

Table 12.12 Item map with full labels (reversed measures)

 

MEASURE       KID - MAP - ACT

              <more>||<freq>

   5             .  ++

                 .  ||

                    ||

   4             .  ++

                 .  ||

                 . T||

   3             .  ++  GO ON PICNIC

                 .  ||T

                ##  ||  GO TO ZOO

   2           .## S++  GO TO MUSEUM

                ##  ||

              .###  ||S GROW GARDEN

                        LISTEN TO BIRD SING

   1         .#### M++  FIND WHERE ANIMAL LIVES

                        WATCH BIRD MAKE NEST

               .##  ||  READ BOOKS ON ANIMALS

           #######  ||  FIND OUT WHAT FLOWERS LIVE ON

                        READ ANIMAL STORIES

                        WATCH BIRDS

   0        .#####  ++M FIND OUT WHAT ANIMALS EAT

                        WATCH WHAT ANIMALS EAT

                 # S||  LOOK AT PICTURES OF PLANTS

                        LOOK UP STRANGE ANIMAL OR PLANT

                        READ BOOKS ON PLANTS

                 #  ||  LEARN WEED NAMES

                        MAKE A MAP

                        TALK W/FRIENDS ABOUT PLANTS

  -1             #  ++  WATCH ANIMAL MOVE

                 #  ||S

                 . T||  LOOK IN SIDEWALK CRACKS

                        WATCH BUGS

                        WATCH GRASS CHANGE

  -2                ++

                    ||  FIND BOTTLES AND CANS

                        WATCH A RAT

                    ||T

  -3                ++

              <less>||<rare>

EACH "#" IS 2: EACH "." IS 1

In Table 12.12, the items are arranged by easiness. The item hierarchy is reversed.

 

You can use NAMLMP= or IMAP= to control the number of characters of each name reported. MAXPAGE= controls the length of the Table. MRANGE= controls the displayed range of measures. ISORT= controls the sort order within rows. You can adjust these values from the "Specification" pull-down menu and then select Table 12 from the Output Tables menu. Thus you can experiment without needing to rerun the analysis.

 

Where there are more items than can be shown on one line, the extra items are printed on subsequent lines, but the latent variable "|" does not advance and is left blank.

 

T1P#= sets the number of persons for each #

 

Items arranged by easiness. The item difficulty measures are reversed relative to the mean person measure, "M". Look for the hierarchy of item names to spell out a meaningful construct from easiest at the top to hardest at the bottom.

The double line || indicates the two sides have opposite orientations.

Each "X" is one person.

 

Column Labels

PERSON=

MAP

ITEM=

MORE=

FREQ=

 

 

LESS=

RARE=

 

MEASURE

Location of person or item on the unidimensional latent variable, in logits or USCALE= units

<more>

higher person "ability" = higher raw score with complete data

<less>

lower person "ability" = lower raw score with complete data

<rare>

higher item "difficulty" = lower item "easiness" = lower score on the item with complete data: PVALUE=

<frequ>

<frequent>

lower item "difficulty" = higher item "easiness" = higher score on the item with complete data: PVALUE=

M

Mean of person or item distribution

S

One standard deviation from the person or item mean

T

Two standard deviations from the person or item mean

X

one person or item

#

several persons or items, e.g., EACH "#" = 4. The value for # can be changed with T1I#= for items, T1P#= for persons.

.

between 1 and (# - 1) persons or items, e.g., if # = 4, then "." = 1 to 3

|

Variable advances. Lines without "|" have the same measure as the nearest "|" above.

||

The double line || indicates the two sides have opposite orientations: person ability and item easiness. The item difficulties are reversed.This is useful if the items and persons are being compared to the responses.

 

On plot:

Description:

MEASURE

Location on the unidimensional latent variable, in logits or USCALE= units

<more>

higher person "ability" = higher raw score with complete data

<less>

lower person "ability" = lower raw score with complete data

<rare>

higher item "difficulty" = lower score on the item with complete data: PVALUE=

<frequent>

lower item "difficulty" = higher score on the item with complete data: PVALUE=

M

Mean of person or item distribution

S

One standard deviation from the person or item mean

T

Two standard deviations from the person or item mean

X

one person or item

#

several persons or items, e.g., "#" = 4. The value for # can be changed with T1I#=, T1P#=.

.

between 1 and #-1 persons or items, e.g., "." = 1 to 3

| or +

Variable advances. Lines without "|" or "+" have the same measure as the nearest "|" or "+" above.


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