ELOS

Descriptive Statistics

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Mathematics

Science

ELOS – Alaska Alternate Assessment 2010-2011 Reading – Page 1

Descriptive Statistics

N Minimum Maximum Mean Std. Deviation Statistic Statistic Statistic Statistic Std. Error Statistic

ELOS_Reading_Task_1_-_Word_Identification_Skills_Item_1

116 1 4 3.18 .107 1.154

ELOS_Reading_Task_1_-_Word_Identification_Skills_Item_2

108 1 4 2.68 .129 1.338

ELOS_Reading_Task_1_-_Word_Identification_Skills_Item_3

112 1 4 2.94 .117 1.240

ELOS_Reading_Task_1_-_Word_Identification_Skills_Item_4

103 1 4 2.48 .135 1.371

ELOS_Reading_Task_1_-_Word_Identification_Skills_Item_5

105 1 4 2.55 .130 1.337

E_R_T1_Total 124 0 20 12.18 .579 6.446 Valid N (listwise) 98

ELOS – Alaska Alternate Assessment 2010-2011 Reading – Page 2

Descriptive Statistics

N Minimum Maximum Mean Std. Deviation Statistic Statistic Statistic Statistic Std. Error Statistic

ELOS_Reading_Task_2_-_Word_Identification_Skills_Item_1

102 1 4 2.34 .131 1.324

ELOS_Reading_Task_2_-_Word_Identification_Skills_Item_2

101 1 4 2.11 .119 1.199

ELOS_Reading_Task_2_-_Word_Identification_Skills_Item_3

100 1 4 2.17 .125 1.248

ELOS_Reading_Task_2_-_Word_Identification_Skills_Item_4

99 1 4 2.00 .117 1.161

ELOS_Reading_Task_2_-_Word_Identification_Skills_Item_5

101 1 4 1.97 .112 1.127

E_R_T2_Total 124 0 20 8.60 .577 6.430 Valid N (listwise) 97

ELOS – Alaska Alternate Assessment 2010-2011 Reading – Page 3

Descriptive Statistics

N Minimum Maximum Mean Std. Deviation Statistic Statistic Statistic Statistic Std. Error Statistic

ELOS_Reading_Task_3_-_Word_Identification_Skills_Item_1

103 1 4 2.52 .135 1.371

ELOS_Reading_Task_3_-_Word_Identification_Skills_Item_2

100 1 4 2.27 .134 1.340

ELOS_Reading_Task_3_-_Word_Identification_Skills_Item_3

99 1 4 2.12 .127 1.264

ELOS_Reading_Task_3_-_Word_Identification_Skills_Item_4

101 1 4 2.15 .126 1.268

ELOS_Reading_Task_3_-_Word_Identification_Skills_Item_5

101 1 4 2.21 .131 1.314

E_R_T3_Total 124 0 20 9.17 .625 6.957 Valid N (listwise) 98

ELOS – Alaska Alternate Assessment 2010-2011 Reading – Page 4

Descriptive Statistics

N Minimum Maximum Mean Std. Deviation Statistic Statistic Statistic Statistic Std. Error Statistic

ELOS_Reading_Task_4_-_Word_Identification_Skills_Item_1

75 1 4 2.32 .141 1.221

ELOS_Reading_Task_4_-_Word_Identification_Skills_Item_2

72 1 4 2.25 .144 1.219

ELOS_Reading_Task_4_-_Word_Identification_Skills_Item_3

73 1 4 2.26 .137 1.167

ELOS_Reading_Task_4_-_Word_Identification_Skills_Item_4

74 1 4 2.35 .147 1.265

ELOS_Reading_Task_4_-_Word_Identification_Skills_Item_5

73 1 4 2.29 .143 1.219

E_R_T4_Total 124 0 20 6.79 .627 6.983 Valid N (listwise) 72

ELOS – Alaska Alternate Assessment 2010-2011 Reading – Page 5

ELOS – Alaska Alternate Assessment 2010-2011 Reading – Page 6

Descriptive Statistics

N Minimum Maximum Mean Std. Deviation Statistic Statistic Statistic Statistic Std. Error Statistic

ELOS_Reading_Task_5_-_Word_Identification_Skills_Item_1

71 1 4 2.73 .160 1.352

ELOS_Reading_Task_5_-_Word_Identification_Skills_Item_2

71 1 4 2.39 .157 1.325

ELOS_Reading_Task_5_-_Word_Identification_Skills_Item_3

70 1 4 2.53 .164 1.370

ELOS_Reading_Task_5_-_Word_Identification_Skills_Item_4

70 1 4 2.33 .153 1.282

ELOS_Reading_Task_5_-_Word_Identification_Skills_Item_5

69 1 4 2.65 .160 1.326

E_R_T5_Total 124 0 20 7.15 .694 7.724 Valid N (listwise) 68

ELOS – Alaska Alternate Assessment 2010-2011 Reading – Page 7

Descriptive Statistics

N Minimum Maximum Mean Std. Deviation Statistic Statistic Statistic Statistic Std. Error Statistic

ELOS_Reading_Task_6_-_Word_Identification_Skills_Item_1

67 1 4 2.61 .165 1.348

ELOS_Reading_Task_6_-_Word_Identification_Skills_Item_2

66 1 4 2.00 .131 1.067

ELOS_Reading_Task_6_-_Word_Identification_Skills_Item_3

66 1 4 1.88 .129 1.045

ELOS_Reading_Task_6_-_Word_Identification_Skills_Item_4

66 1 4 2.05 .137 1.115

ELOS_Reading_Task_6_-_Word_Identification_Skills_Item_5

66 1 4 1.86 .133 1.080

E_R_T6_Total 124 0 19 5.56 .563 6.273 Valid N (listwise) 66

ELOS – Alaska Alternate Assessment 2010-2011 Reading – Page 8

Descriptive Statistics

N Minimum Maximum Mean Std. Deviation Statistic Statistic Statistic Statistic Std. Error Statistic

ELOS_Reading_Task_7_-_Forming_A_General_Understanding_Item_1

63 1 4 2.67 .172 1.368

ELOS_Reading_Task_7_-_Forming_A_General_Understanding_Item_2

62 1 4 1.82 .127 1.000

ELOS_Reading_Task_7_-_Forming_A_General_Understanding_Item_3

61 1 4 1.75 .127 .994

ELOS_Reading_Task_7_-_Forming_A_General_Understanding_Item_4

61 1 4 1.72 .124 .968

ELOS_Reading_Task_7_-_Forming_A_General_Understanding_Item_5

62 1 4 1.69 .119 .934

E_R_T7_Total 124 0 18 4.82 .517 5.761 Valid N (listwise) 60

ELOS – Alaska Alternate Assessment 2010-2011 Reading – Page 9

Descriptive Statistics

N Minimum Maximum Mean Std. Deviation Statistic Statistic Statistic Statistic Std. Error Statistic

ELOS_Reading_Task_8_-_Forming_A_General_Understanding_Item_1

60 1 4 2.62 .180 1.391

ELOS_Reading_Task_8_-_Forming_A_General_Understanding_Item_2

57 1 4 1.88 .140 1.053

ELOS_Reading_Task_8_-_Forming_A_General_Understanding_Item_3

58 1 4 1.78 .137 1.044

ELOS_Reading_Task_8_-_Forming_A_General_Understanding_Item_4

57 1 4 1.82 .135 1.020

ELOS_Reading_Task_8_-_Forming_A_General_Understanding_Item_5

57 1 4 1.68 .128 .967

E_R_T8_Total 124 0 18 4.57 .516 5.748 Valid N (listwise) 55

ELOS – Alaska Alternate Assessment 2010-2011 Reading – Page 10

Descriptive Statistics

N Minimum Maximum Mean Std. Deviation Statistic Statistic Statistic Statistic Std. Error Statistic

ELOS_Reading_Task_9_-_Word_Identification_Skills_Item_1

63 1 4 2.05 .133 1.054

ELOS_Reading_Task_9_-_Word_Identification_Skills_Item_2

61 1 4 2.21 .148 1.156

ELOS_Reading_Task_9_-_Word_Identification_Skills_Item_3

60 1 4 2.22 .156 1.209

ELOS_Reading_Task_9_-_Word_Identification_Skills_Item_4

61 1 4 2.48 .165 1.286

ELOS_Reading_Task_9_-_Word_Identification_Skills_Item_5

59 1 4 2.66 .169 1.295

E_R_T9_Total 124 0 19 5.69 .611 6.801 Valid N (listwise) 57

ELOS – Alaska Alternate Assessment 2010-2011 Reading – Page 11

Descriptive Statistics

N Minimum Maximum Mean Std. Deviation Statistic Statistic Statistic Statistic Std. Error Statistic

ELOS_Reading_Task_10_-_Word_Identification_Skills_Item_1

62 1 4 2.37 .171 1.346

ELOS_Reading_Task_10_-_Word_Identification_Skills_Item_2

59 1 4 2.32 .172 1.319

ELOS_Reading_Task_10_-_Word_Identification_Skills_Item_3

59 1 4 1.93 .147 1.127

ELOS_Reading_Task_10_-_Word_Identification_Skills_Item_4

56 1 4 1.80 .141 1.052

ELOS_Reading_Task_10_-_Word_Identification_Skills_Item_5

54 1 4 1.59 .131 .962

E_R_T10_Total 124 0 19 4.72 .537 5.975 Valid N (listwise) 54

ELOS – Alaska Alternate Assessment 2010-2011 Reading – Page 12

Descriptive Statistics

N Minimum Maximum Mean Std. Deviation

E_R_T1_Total 124 0 20 12.18 6.446 E_R_T2_Total 124 0 20 8.60 6.430 E_R_T3_Total 124 0 20 9.17 6.957 E_R_T4_Total 124 0 20 6.79 6.983 E_R_T5_Total 124 0 20 7.15 7.724 E_R_T6_Total 124 0 19 5.56 6.273 E_R_T7_Total 124 0 18 4.82 5.761 E_R_T8_Total 124 0 18 4.57 5.748 E_R_T9_Total 124 0 19 5.69 6.801 E_R_T10_Total 124 0 19 4.72 5.975 E_R_SCORE 124 0 60 32.65 19.520 Valid N (listwise) 124

ELOS – Alaska Alternate Assessment 2010-2011 Writing – Page 13

Descriptive Statistics

N Minimum Maximum Mean Std. Deviation Statistic Statistic Statistic Statistic Std. Error Statistic

ELOS_Writing_Task_1_-_Write_Using_a_Variety_of_Forms_Item_1

130 1 4 3.28 .095 1.080

ELOS_Writing_Task_1_-_Write_Using_a_Variety_of_Forms_Item_2

123 1 4 2.84 .116 1.283

ELOS_Writing_Task_1_-_Write_Using_a_Variety_of_Forms_Item_3

127 1 4 3.08 .109 1.225

ELOS_Writing_Task_1_-_Write_Using_a_Variety_of_Forms_Item_4

126 1 4 3.05 .109 1.225

ELOS_Writing_Task_1_-_Write_Using_a_Variety_of_Forms_Item_5

123 1 4 2.95 .116 1.286

E_R_T1_Total 138 0 20 13.87 .546 6.415 Valid N (listwise) 120

ELOS – Alaska Alternate Assessment 2010-2011 Writing – Page 14

Descriptive Statistics

N Minimum Maximum Mean Std. Deviation Statistic Statistic Statistic Statistic Std. Error Statistic

ELOS_Writing_Task_2_-_Write_Using_a_Variety_of_Forms_Item_1

122 1 4 2.93 .114 1.254

ELOS_Writing_Task_2_-_Write_Using_a_Variety_of_Forms_Item_2

121 1 4 1.97 .110 1.211

ELOS_Writing_Task_2_-_Write_Using_a_Variety_of_Forms_Item_3

120 1 4 2.01 .114 1.247

ELOS_Writing_Task_2_-_Write_Using_a_Variety_of_Forms_Item_4

118 1 4 1.97 .116 1.264

ELOS_Writing_Task_2_-_Write_Using_a_Variety_of_Forms_Item_5

118 1 4 1.93 .117 1.266

E_R_T2_Total 138 0 20 9.40 .527 6.193 Valid N (listwise) 118

ELOS – Alaska Alternate Assessment 2010-2011 Writing – Page 15

Descriptive Statistics

N Minimum Maximum Mean Std. Deviation Statistic Statistic Statistic Statistic Std. Error Statistic

ELOS_Writing_Task_3_-_Write_Using_a_Variety_of_Forms_Item_1

113 1 4 1.81 .114 1.214

ELOS_Writing_Task_3_-_Write_Using_a_Variety_of_Forms_Item_2

114 1 4 1.74 .111 1.183

ELOS_Writing_Task_3_-_Write_Using_a_Variety_of_Forms_Item_3

113 1 4 1.66 .108 1.147

ELOS_Writing_Task_3_-_Write_Using_a_Variety_of_Forms_Item_4

112 1 4 1.66 .108 1.143

ELOS_Writing_Task_3_-_Write_Using_a_Variety_of_Forms_Item_5

111 1 4 1.68 .110 1.160

E_R_T3_Total 138 0 20 6.99 .514 6.039 Valid N (listwise) 111

ELOS – Alaska Alternate Assessment 2010-2011 Writing – Page 16

Descriptive Statistics

N Minimum Maximum Mean Std. Deviation Statistic Statistic Statistic Statistic Std. Error Statistic

ELOS_Writing_Task_4_-_Write_Using_a_Variety_of_Forms_Item_1

83 1 4 1.65 .128 1.163

ELOS_Writing_Task_4_-_Write_Using_a_Variety_of_Forms_Item_2

83 1 4 1.59 .119 1.082

ELOS_Writing_Task_4_-_Write_Using_a_Variety_of_Forms_Item_3

81 1 4 1.62 .121 1.091

ELOS_Writing_Task_4_-_Write_Using_a_Variety_of_Forms_Item_4

82 1 4 1.65 .122 1.104

ELOS_Writing_Task_4_-_Write_Using_a_Variety_of_Forms_Item_5

80 1 4 1.58 .115 1.028

E_R_T4_Total 138 0 20 4.79 .472 5.549 Valid N (listwise) 79

ELOS – Alaska Alternate Assessment 2010-2011 Writing – Page 17

Descriptive Statistics

N Minimum Maximum Mean Std. Deviation Statistic Statistic Statistic Statistic Std. Error Statistic

ELOS_Writing_Task_5_-_Structures_and_Conventions_of_Writing_Item_1

82 1 4 2.13 .134 1.215

ELOS_Writing_Task_5_-_Structures_and_Conventions_of_Writing_Item_2

82 1 4 2.11 .132 1.197

ELOS_Writing_Task_5_-_Structures_and_Conventions_of_Writing_Item_3

80 1 4 2.17 .135 1.209

ELOS_Writing_Task_5_-_Structures_and_Conventions_of_Writing_Item_4

82 1 4 2.24 .145 1.311

ELOS_Writing_Task_5_-_Structures_and_Conventions_of_Writing_Item_5

81 1 4 2.21 .143 1.291

E_R_T5_Total 138 0 20 6.41 .577 6.777 Valid N (listwise) 78

ELOS – Alaska Alternate Assessment 2010-2011 Writing – Page 18

Descriptive Statistics

N Minimum Maximum

Mean Std. Deviation

Statistic Statistic Statistic Statistic Std. Error Statistic

ELOS_Writing_Task_6_-_Write_Using_a_Variety_of_Forms_Item_1

78 1 4 2.64 .150 1.329

ELOS_Writing_Task_6_-_Write_Using_a_Variety_of_Forms_Item_2

76 1 4 2.55 .150 1.310

ELOS_Writing_Task_6_-_Write_Using_a_Variety_of_Forms_Item_3

72 1 4 2.38 .145 1.227

ELOS_Writing_Task_6_-_Write_Using_a_Variety_of_Forms_Item_4

69 1 4 2.33 .135 1.120

ELOS_Writing_Task_6_-_Write_Using_a_Variety_of_Forms_Item_5

70 1 4 2.34 .145 1.214

E_R_T6_Total 138 0 20 6.49 .622 7.304 Valid N (listwise) 69

Descriptive Statistics

N Minimum Maximum Mean Std. Deviation

E_R_T1_Total 138 0 20 13.87 6.415 E_R_T2_Total 138 0 20 9.40 6.193 E_R_T3_Total 138 0 20 6.99 6.039 E_R_T4_Total 138 0 20 4.79 5.549 E_R_T5_Total 138 0 20 6.41 6.777 E_R_T6_Total 138 0 20 6.49 7.304 E_R_SCORE 138 0 60 33.64 18.201 Valid N (listwise) 138

ELOS – Alaska Alternate Assessment 2010-2011 Mathematics – Page 19

Descriptive Statistics

N Minimum Maximum Mean Std. Deviation Statistic Statistic Statistic Statistic Std. Error Statistic

ELOS_Math_Task_1_-_Numeration_Item_1

112 1 4 3.28 .100 1.059

ELOS_Math_Task_1_-_Numeration_Item_2

107 1 4 2.69 .126 1.299

ELOS_Math_Task_1_-_Numeration_Item_3

112 1 4 2.92 .117 1.239

ELOS_Math_Task_1_-_Numeration_Item_4

108 1 4 2.31 .129 1.344

ELOS_Math_Task_1_-_Numeration_Item_5

106 1 4 2.09 .125 1.291

E_R_T1_Total 122 0 20 11.92 .554 6.121 Valid N (listwise) 98

Descriptive Statistics

N Minimum Maximum Mean Std. Deviation Statistic Statistic Statistic Statistic Std. Error Statistic

ELOS_Math_Task_2_-_Estimation_and_Computation_Item_1

99 1 4 1.62 .096 .955

ELOS_Math_Task_2_-_Estimation_and_Computation_Item_2

97 1 4 1.80 .112 1.105

ELOS_Math_Task_2_-_Estimation_and_Computation_Item_3

102 1 4 1.96 .120 1.210

ELOS_Math_Task_2_-_Estimation_and_Computation_Item_4

96 1 4 1.82 .119 1.170

ELOS_Math_Task_2_-_Estimation_and_Computation_Item_5

95 1 4 1.47 .083 .810

E_R_T2_Total 122 0 20 6.97 .470 5.195 Valid N (listwise) 89

ELOS – Alaska Alternate Assessment 2010-2011 Mathematics – Page 20

Descriptive Statistics

N Minimum Maximum Mean Std. Deviation Statistic Statistic Statistic Statistic Std. Error Statistic

ELOS_Math_Task_3_-_Measurement_Item_1

103 1 4 2.43 .138 1.404

ELOS_Math_Task_3_-_Measurement_Item_2

97 1 4 1.74 .104 1.023

ELOS_Math_Task_3_-_Measurement_Item_3

99 1 4 1.78 .105 1.045

ELOS_Math_Task_3_-_Measurement_Item_4

101 1 4 2.02 .126 1.265

ELOS_Math_Task_3_-_Measurement_Item_5

95 1 4 1.62 .097 .947

E_R_T3_Total 122 0 20 7.81 .509 5.619 Valid N (listwise) 93

Descriptive Statistics

N Minimum Maximum Mean Std. Deviation Statistic Statistic Statistic Statistic Std. Error Statistic

ELOS_Math_Task_4_-_Geometry_Item_1

87 1 4 2.62 .154 1.433

ELOS_Math_Task_4_-_Geometry_Item_2

84 1 4 2.36 .147 1.350

ELOS_Math_Task_4_-_Geometry_Item_3

83 1 4 2.30 .138 1.257

ELOS_Math_Task_4_-_Geometry_Item_4

82 1 4 2.33 .148 1.343

ELOS_Math_Task_4_-_Geometry_Item_5

83 1 4 2.11 .138 1.259

E_R_T4_Total 122 0 20 8.06 .659 7.281 Valid N (listwise) 82

ELOS – Alaska Alternate Assessment 2010-2011 Mathematics – Page 21

Descriptive Statistics

N Minimum Maximum Mean Std. Deviation Statistic Statistic Statistic Statistic Std. Error Statistic

ELOS_Math_Task_5_-_Measurement_Item_1

68 1 4 2.49 .159 1.310

ELOS_Math_Task_5_-_Measurement_Item_2

67 1 4 2.21 .153 1.250

ELOS_Math_Task_5_-_Measurement_Item_3

67 1 4 2.09 .147 1.203

ELOS_Math_Task_5_-_Measurement_Item_4

68 1 4 1.99 .144 1.191

ELOS_Math_Task_5_-_Measurement_Item_5

69 1 4 2.00 .145 1.200

E_R_T5_Total 122 0 20 5.98 .592 6.535 Valid N (listwise) 65

Descriptive Statistics

N Minimum Maximum Mean Std. Deviation Statistic Statistic Statistic Statistic Std. Error Statistic

ELOS_Math_Task_6_-_Measurement_Item_1

67 1 4 2.72 .173 1.412

ELOS_Math_Task_6_-_Measurement_Item_2

64 1 4 2.55 .167 1.332

ELOS_Math_Task_6_-_Measurement_Item_3

62 1 4 2.02 .141 1.109

ELOS_Math_Task_6_-_Measurement_Item_4

64 1 4 1.97 .146 1.168

ELOS_Math_Task_6_-_Measurement_Item_5

64 1 4 1.89 .145 1.156

E_R_T6_Total 122 0 20 5.88 .607 6.703 Valid N (listwise) 61

ELOS – Alaska Alternate Assessment 2010-2011 Mathematics – Page 22

Descriptive Statistics

N Minimum Maximum Mean Std. Deviation Statistic Statistic Statistic Statistic Std. Error Statistic

ELOS_Math_Task_7_-_Measurement_Item_1

60 1 4 2.73 .179 1.388

ELOS_Math_Task_7_-_Measurement_Item_2

60 1 4 1.95 .147 1.141

ELOS_Math_Task_7_-_Measurement_Item_3

59 1 4 2.03 .143 1.098

ELOS_Math_Task_7_-_Measurement_Item_4

58 1 4 1.79 .136 1.039

ELOS_Math_Task_7_-_Measurement_Item_5

58 1 4 1.93 .151 1.153

E_R_T7_Total 122 0 20 5.06 .557 6.150 Valid N (listwise) 56

Descriptive Statistics

N Minimum Maximum Mean Std. Deviation Statistic Statistic Statistic Statistic Std. Error Statistic

ELOS_Math_Task_8_-_Probability,_Estimation_and_Computation_Item_1

56 1 4 2.18 .167 1.252

ELOS_Math_Task_8_-_Probability,_Estimation_and_Computation_Item_2

58 1 4 1.86 .146 1.115

ELOS_Math_Task_8_-_Probability,_Estimation_and_Computation_Item_3

61 1 4 2.79 .177 1.380

ELOS_Math_Task_8_-_Probability,_Estimation_and_Computation_Item_4

60 1 4 2.00 .148 1.150

ELOS_Math_Task_8_-_Probability,_Estimation_and_Computation_Item_5

59 1 4 2.15 .156 1.201

E_R_T8_Total 122 0 20 5.30 .577 6.375

ELOS – Alaska Alternate Assessment 2010-2011 Mathematics – Page 23

Descriptive Statistics

N Minimum Maximum Mean Std. Deviation Statistic Statistic Statistic Statistic Std. Error Statistic

ELOS_Math_Task_8_-_Probability,_Estimation_and_Computation_Item_1

56 1 4 2.18 .167 1.252

ELOS_Math_Task_8_-_Probability,_Estimation_and_Computation_Item_2

58 1 4 1.86 .146 1.115

ELOS_Math_Task_8_-_Probability,_Estimation_and_Computation_Item_3

61 1 4 2.79 .177 1.380

ELOS_Math_Task_8_-_Probability,_Estimation_and_Computation_Item_4

60 1 4 2.00 .148 1.150

ELOS_Math_Task_8_-_Probability,_Estimation_and_Computation_Item_5

59 1 4 2.15 .156 1.201

E_R_T8_Total 122 0 20 5.30 .577 6.375 Valid N (listwise) 54

Descriptive Statistics

N Minimum Maximum Mean Std. Deviation Statistic Statistic Statistic Statistic Std. Error Statistic

ELOS_Math_Task_9_-_Statistics_and_Probability_Item_1

57 1 4 2.63 .183 1.384

ELOS_Math_Task_9_-_Statistics_and_Probability_Item_2

57 1 4 2.05 .155 1.171

ELOS_Math_Task_9_-_Statistics_and_Probability_Item_3

55 1 4 2.04 .153 1.138

ELOS_Math_Task_9_-_Statistics_and_Probability_Item_4

55 1 4 2.15 .163 1.208

ELOS – Alaska Alternate Assessment 2010-2011 Mathematics – Page 24

ELOS_Math_Task_9_-_Statistics_and_Probability_Item_5

55 1 4 2.07 .162 1.200

E_R_T9_Total 122 0 20 5.01 .586 6.475 Valid N (listwise) 53

Descriptive Statistics

N Minimum Maximum Mean Std. Deviation Statistic Statistic Statistic Statistic Std. Error Statistic

ELOS_Math_Task_10_-_Numeration_Item_1

53 1 4 1.94 .149 1.082

ELOS_Math_Task_10_-_Numeration_Item_2

55 1 4 1.85 .145 1.079

ELOS_Math_Task_10_-_Numeration_Item_3

55 1 4 1.64 .128 .950

ELOS_Math_Task_10_-_Numeration_Item_4

53 1 4 1.96 .162 1.176

ELOS_Math_Task_10_-_Numeration_Item_5

54 1 4 1.93 .156 1.147

E_R_T10_Total 122 0 19 4.12 .499 5.513 Valid N (listwise) 52

Descriptive Statistics

N Minimum Maximum Mean Std. Deviation

E_R_T1_Total 122 0 20 11.92 6.121 E_R_T2_Total 122 0 20 6.97 5.195 E_R_T3_Total 122 0 20 7.81 5.619 E_R_T4_Total 122 0 20 8.06 7.281 E_R_T5_Total 122 0 20 5.98 6.535 E_R_T6_Total 122 0 20 5.88 6.703 E_R_T7_Total 122 0 20 5.06 6.150 E_R_T8_Total 122 0 20 5.30 6.375 E_R_T9_Total 122 0 20 5.01 6.475 E_R_T10_Total 122 0 19 4.12 5.513 E_R_SCORE 122 0 60 31.39 18.233 Valid N (listwise) 122

ELOS – Alaska Alternate Assessment 2010-2011 Mathematics – Page 25

ELOS – Alaska Alternate Assessment 2010-2011 Science – Page 26

Descriptive Statistics

N Minimum Maximum Mean Std. Deviation Statistic Statistic Statistic Statistic Std. Error Statistic

ELOS_Science_Task_1_-_Concepts_of_Life_Science_Item_1

37 1 4 3.08 .187 1.140

ELOS_Science_Task_1_-_Concepts_of_Life_Science_Item_2

33 1 4 2.91 .232 1.331

ELOS_Science_Task_1_-_Concepts_of_Life_Science_Item_3

35 1 4 2.71 .223 1.319

ELOS_Science_Task_1_-_Concepts_of_Life_Science_Item_4

32 1 4 2.22 .236 1.338

ELOS_Science_Task_1_-_Concepts_of_Life_Science_Item_5

33 1 4 2.15 .239 1.372

E_R_T1_Total 38 0 20 11.76 1.001 6.171 Valid N (listwise) 32

ELOS – Alaska Alternate Assessment 2010-2011 Science – Page 27

Descriptive Statistics

N Minimum Maximum Mean Std. Deviation Statistic Statistic Statistic Statistic Std. Error Statistic

ELOS_Science_Task_2_-_Concepts_of_Earth_Science_Item_1

32 1 4 2.16 .238 1.347

ELOS_Science_Task_2_-_Concepts_of_Earth_Science_Item_2

31 1 4 2.10 .224 1.248

ELOS_Science_Task_2_-_Concepts_of_Earth_Science_Item_3

31 1 4 2.03 .239 1.329

ELOS_Science_Task_2_-_Concepts_of_Earth_Science_Item_4

30 1 4 2.20 .251 1.375

ELOS_Science_Task_2_-_Concepts_of_Earth_Science_Item_5

30 1 4 2.03 .237 1.299

E_R_T2_Total 38 0 20 8.53 1.117 6.884 Valid N (listwise) 30

ELOS – Alaska Alternate Assessment 2010-2011 Science – Page 28

Descriptive Statistics

N Minimum Maximum Mean Std. Deviation Statistic Statistic Statistic Statistic Std. Error Statistic

ELOS_Science_Task_3_-_Concepts_of_Earth_Science_Item_1

32 1 4 2.41 .257 1.456

ELOS_Science_Task_3_-_Concepts_of_Earth_Science_Item_2

30 1 4 1.70 .199 1.088

ELOS_Science_Task_3_-_Concepts_of_Earth_Science_Item_3

30 1 4 1.63 .182 .999

ELOS_Science_Task_3_-_Concepts_of_Earth_Science_Item_4

30 1 4 1.73 .191 1.048

ELOS_Science_Task_3_-_Concepts_of_Earth_Science_Item_5

29 1 4 1.86 .215 1.156

E_R_T3_Total 38 0 19 7.45 .959 5.912 Valid N (listwise) 29

ELOS – Alaska Alternate Assessment 2010-2011 Science – Page 29

Descriptive Statistics

N Minimum Maximum Mean Std. Deviation Statistic Statistic Statistic Statistic Std. Error Statistic

ELOS_Science_Task_4_-_Concepts_of_Life_Science_Item_1

25 1 4 2.48 .289 1.447

ELOS_Science_Task_4_-_Concepts_of_Life_Science_Item_2

23 1 4 2.52 .287 1.377

ELOS_Science_Task_4_-_Concepts_of_Life_Science_Item_3

23 1 4 2.39 .300 1.438

ELOS_Science_Task_4_-_Concepts_of_Life_Science_Item_4

22 1 4 2.41 .313 1.469

ELOS_Science_Task_4_-_Concepts_of_Life_Science_Item_5

23 1 4 2.30 .298 1.428

E_R_T4_Total 38 0 20 7.39 1.292 7.965 Valid N (listwise) 22

ELOS – Alaska Alternate Assessment 2010-2011 Science – Page 30

Descriptive Statistics

N Minimum Maximum Mean Std. Deviation Statistic Statistic Statistic Statistic Std. Error Statistic

ELOS_Science_Task_5_-_Concepts_of_Life_Science_Item_1

23 1 4 2.61 .286 1.373

ELOS_Science_Task_5_-_Concepts_of_Life_Science_Item_2

21 1 4 2.86 .295 1.352

ELOS_Science_Task_5_-_Concepts_of_Life_Science_Item_3

21 1 4 2.86 .287 1.315

ELOS_Science_Task_5_-_Concepts_of_Life_Science_Item_4

20 1 4 2.85 .319 1.424

ELOS_Science_Task_5_-_Concepts_of_Life_Science_Item_5

20 1 4 2.90 .307 1.373

E_R_T5_Total 38 0 20 7.76 1.387 8.550 Valid N (listwise) 20

ELOS – Alaska Alternate Assessment 2010-2011 Science – Page 31

Descriptive Statistics

N Minimum Maximum Mean Std. Deviation Statistic Statistic Statistic Statistic Std. Error Statistic

ELOS_Science_Task_6_-_Concepts_of_Life_Science_Item_1

21 1 4 2.95 .305 1.396

ELOS_Science_Task_6_-_Concepts_of_Life_Science_Item_2

21 1 4 2.76 .292 1.338

ELOS_Science_Task_6_-_Concepts_of_Life_Science_Item_3

21 1 4 2.57 .281 1.287

ELOS_Science_Task_6_-_Concepts_of_Life_Science_Item_4

21 1 4 2.48 .290 1.327

ELOS_Science_Task_6_-_Concepts_of_Life_Science_Item_5

21 1 4 2.76 .275 1.261

E_R_T6_Total 38 0 20 7.47 1.338 8.245 Valid N (listwise) 21

ELOS – Alaska Alternate Assessment 2010-2011 Science – Page 32

Descriptive Statistics

N Minimum Maximum Mean Std. Deviation Statistic Statistic Statistic Statistic Std. Error Statistic

ELOS_Science_Task_7_-_Concepts_of_Life_Science_Item_1

20 1 4 2.60 .311 1.392

ELOS_Science_Task_7_-_Concepts_of_Life_Science_Item_2

18 1 4 2.33 .333 1.414

ELOS_Science_Task_7_-_Concepts_of_Life_Science_Item_3

18 1 4 2.61 .304 1.290

ELOS_Science_Task_7_-_Concepts_of_Life_Science_Item_4

18 1 4 2.39 .325 1.378

ELOS_Science_Task_7_-_Concepts_of_Life_Science_Item_5

19 1 4 2.00 .276 1.202

E_R_T7_Total 38 0 20 5.84 1.174 7.239 Valid N (listwise) 18

ELOS – Alaska Alternate Assessment 2010-2011 Science – Page 33

Descriptive Statistics

N Minimum Maximum Mean Std. Deviation Statistic Statistic Statistic Statistic Std. Error Statistic

ELOS_Science_Task_8_-_Physical_Science_Item_1

19 1 4 2.05 .270 1.177

ELOS_Science_Task_8_-_Physical_Science_Item_2

18 1 4 2.28 .253 1.074

ELOS_Science_Task_8_-_Physical_Science_Item_3

18 1 4 2.00 .280 1.188

ELOS_Science_Task_8_-_Physical_Science_Item_4

18 1 4 1.83 .232 .985

ELOS_Science_Task_8_-_Physical_Science_Item_5

18 1 4 2.61 .335 1.420

E_R_T8_Total 38 0 18 5.16 1.043 6.429 Valid N (listwise) 18

ELOS – Alaska Alternate Assessment 2010-2011 Science – Page 34

Descriptive Statistics

N Minimum Maximum Mean Std. Deviation Statistic Statistic Statistic Statistic Std. Error Statistic

ELOS_Science_Task_9_-_Concepts_of_Earth_Science_Item_1

18 1 4 2.22 .308 1.309

ELOS_Science_Task_9_-_Concepts_of_Earth_Science_Item_2

17 1 4 2.00 .257 1.061

ELOS_Science_Task_9_-_Concepts_of_Earth_Science_Item_3

17 1 4 2.06 .290 1.197

ELOS_Science_Task_9_-_Concepts_of_Earth_Science_Item_4

17 1 4 2.29 .329 1.359

ELOS_Science_Task_9_-_Concepts_of_Earth_Science_Item_5

17 1 3 1.71 .223 .920

E_R_T9_Total 38 0 18 4.66 1.007 6.205 Valid N (listwise) 17

ELOS – Alaska Alternate Assessment 2010-2011 Science – Page 35

Descriptive Statistics

N Minimum Maximum Mean Std. Deviation Statistic Statistic Statistic Statistic Std. Error Statistic

ELOS_Science_Task_10_-_Concepts_of_Earth_Science_Item_1

18 1 4 1.83 .271 1.150

ELOS_Science_Task_10_-_Concepts_of_Earth_Science_Item_2

17 1 4 2.24 .304 1.251

ELOS_Science_Task_10_-_Concepts_of_Earth_Science_Item_3

17 1 4 2.35 .320 1.320

ELOS_Science_Task_10_-_Concepts_of_Earth_Science_Item_4

18 1 4 2.33 .313 1.328

ELOS_Science_Task_10_-_Concepts_of_Earth_Science_Item_5

17 1 4 1.94 .290 1.197

E_R_T10_Total 38 0 20 4.89 1.057 6.517 Valid N (listwise) 17

ELOS – Alaska Alternate Assessment 2010-2011 Science – Page 36

Descriptive Statistics

N Minimum Maximum Mean Std. Deviation

E_R_T1_Total 38 0 20 11.76 6.171 E_R_T2_Total 38 0 20 8.53 6.884 E_R_T3_Total 38 0 19 7.45 5.912 E_R_T4_Total 38 0 20 7.39 7.965 E_R_T5_Total 38 0 20 7.76 8.550 E_R_T6_Total 38 0 20 7.47 8.245 E_R_T7_Total 38 0 20 5.84 7.239 E_R_T8_Total 38 0 18 5.16 6.429 E_R_T9_Total 38 0 18 4.66 6.205 E_R_T10_Total 38 0 20 4.89 6.517 E_R_SCORE 38 0 60 32.42 20.176 Valid N (listwise) 38