﻿ Table 7 Reliability and Chi-square statistics

# Table 7 Reliability and Chi-square Statistics

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Table 7 also provides summary statistics by facet.

+------------------------------------------------------------------------------------------ ----------------------+

|  Total   Total   Obsvd  Fair-M|        Model | Infit      Outfit   |Estim.| Correlation | |                     |

|  Score   Count  Average Avrage|Measure  S.E. | MnSq ZStd  MnSq ZStd|Discrm| PtMea PtExp | | Nu Reader           |

|-------------------------------+--------------+---------------------+------+-------------+ +---------------------|

.....

|-------------------------------+--------------+---------------------+------+-------------+ +---------------------|

|   460.8    96.0     4.8   4.73|    .00   .08 | 1.00  -.1   .99  -.2|      |   .61       | | Mean (Cnt: 12)      |

|    29.5      .0      .3    .32|    .19   .00 |  .23  1.8   .22  1.7|      |   .05       | | S.D. (Population)   |

|    30.8      .0      .3    .33|    .20   .00 |  .24  1.9   .23  1.8|      |   .06       | | S.D. (Sample)       |

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Model, Populn: RMSE .08  Adj (True) S.D. .17  Separation 2.17  Strata 3.22  Reliability (not inter-rater) .82

Model, Sample: RMSE .08  Adj (True) S.D. .18  Separation 2.28  Strata 3.38  Reliability (not inter-rater) .84

Model, Fixed (all same) chi-square: 66.3  d.f.: 11  significance (probability): .00

Model,  Random (normal) chi-square: 9.4  d.f.: 10  significance (probability): .49

Inter-Rater agreement opportunities: 384  Exact agreements: 108 = 28.1%  Expected: 82.6 = 21.5%

or

With extremes, Model, Populn: RMSE 1.05  Adj (True) S.D. 1.98  Separation 1.88  Strata 2.84  Reliability .78

With extremes, Model, Sample: RMSE 1.05  Adj (True) S.D. 2.01  Separation 1.91  Strata 2.89  Reliability .79

Without extremes, Model, Populn: RMSE 1.02  Adj (True) S.D. 1.71  Separation 1.68  Strata 2.57  Reliability .74

Without extremes, Model, Sample: RMSE 1.02  Adj (True) S.D. 1.75  Separation 1.71  Strata 2.62  Reliability .75

With extremes, Model, Fixed (all same) chi-square: 175.9  d.f.: 34  significance (probability): .00

With extremes, Model,  Random (normal) chi-square: 33.8  d.f.: 33  significance (probability): .43

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