Analytic Sample

Analytic Summary
Frame N
PELI Pre-K 2023-2024 EOY (unique students with EOY PELI Composite) 5502
Acadience Kindergarten 2024-2025 EOY (unique K students with EOY Reading Composite) 10093
Analytic sample (in BOTH PELI Pre-K EOY 2023-24 and Acadience K EOY 2024-25) 4316

PELI Descriptives (Full Sample)

PELI Descriptives by School Year and Benchmark Period (Full Sample)
School Year Benchmark Period N AK V-OL Comp PA Language Index Composite
2023-2024 beginning 5146 9.06 (9.19) 15.57 (7.71) 10.78 (5.88) 3.32 (4.62) 96.73 (47.47) 134.02 (71.37)
2023-2024 middle 5431 16.13 (9.13) 18.93 (7.68) 16.31 (5.56) 7.54 (5.61) 123.71 (39.73) 188.01 (65.26)
2023-2024 end 5504 20.02 (7.8) 22.29 (7.64) 16.62 (5.5) 10.7 (5.14) 136.14 (37.91) 218.82 (60.92)
2024-2025 beginning 4766 8.34 (8.98) 15.01 (7.63) 11.08 (6.18) 3.08 (4.48) 96.26 (48.92) 130.75 (71.77)
2024-2025 middle 4988 16.32 (9.05) 18.87 (7.83) 16.62 (5.73) 7.79 (5.55) 124.72 (40.79) 190.39 (66.29)
2024-2025 end 4977 20.1 (7.68) 22.59 (7.81) 16.7 (5.67) 10.74 (5.11) 137.11 (39.03) 220.28 (61.96)

PELI Descriptives (Analytic Sample)

PELI Pre-K Descriptives, Analytic Sample (Students in Both PELI 2023-24 and Acadience K 2024-25)
Benchmark Period N AK V-OL Comp PA Language Index Composite
beginning 4065 8.82 (9.09) 15.81 (7.58) 10.95 (5.81) 3.32 (4.61) 98.28 (46.67) 135.04 (70.4)
middle 4248 16.15 (9.06) 18.98 (7.53) 16.48 (5.4) 7.56 (5.61) 124.52 (38.68) 188.95 (63.98)
end 4316 20.08 (7.7) 22.42 (7.52) 16.76 (5.34) 10.78 (5.11) 137.03 (36.87) 220.14 (59.47)

Acadience K Descriptives

Acadience Kindergarten Descriptives (Analytic Sample): Reading Composite and Subscales (FSF, PSF, NWF-CLS, NWF-WWR) by Benchmark Period
Acadience Benchmark Period N Acadience Reading Composite Score FSF Score PSF Score NWF-CLS Score NWF-WWR Score
beginning 4270 34.06 (23.53) 13.76 (12.42) NaN (NA) NaN (NA) NaN (NA)
middle 4253 127.24 (54.53) 32.56 (14.85) 32.06 (19.67) 24.75 (15.48) 1.36 (4.4)
end 4316 129.08 (47.64) NaN (NA) 45.69 (18.32) 35.7 (22.08) 4.07 (8.44)

Demographics

PELI Subscale Descriptives by Gender, School Year, and Benchmark Period
School Year Benchmark Period Gender N AK V-OL Comp PA Language Index Composite
2023-2024 beginning Female 1941 8.9 (8.93) 16.11 (7.49) 11.59 (5.76) 3.47 (4.74) 102.16 (46.33) 139.82 (71.09)
2023-2024 beginning Male 1853 8.88 (9.35) 14.72 (7.75) 10.19 (5.99) 3.14 (4.53) 91.3 (48.53) 127.28 (71.61)
2023-2024 middle Female 2032 16.65 (8.69) 19.82 (7.32) 17.02 (5.1) 8.12 (5.56) 129.03 (36.91) 196.7 (62.78)
2023-2024 middle Male 1928 15.68 (9.44) 17.55 (7.89) 15.81 (5.96) 7.1 (5.71) 117.78 (42.17) 179.4 (67.69)
2023-2024 end Female 2058 20.68 (7.27) 22.86 (7.17) 17.17 (5.08) 11.34 (4.78) 139.82 (34.48) 226.19 (56.52)
2023-2024 end Male 1951 19.49 (8.16) 21.49 (8.15) 16.1 (5.92) 10.08 (5.5) 131.84 (41.79) 211.17 (65.71)
2024-2025 beginning Female 2040 8.33 (8.81) 15.78 (7.53) 12.08 (6.03) 3.32 (4.62) 103.28 (47.77) 138.99 (71.76)
2024-2025 beginning Male 2115 8.02 (8.98) 14.25 (7.65) 10.26 (6.21) 2.76 (4.28) 90.05 (49.1) 122.26 (70.59)
2024-2025 middle Female 2139 16.57 (8.86) 19.91 (7.71) 17.32 (5.34) 8.34 (5.44) 130.45 (38.95) 198.79 (64.18)
2024-2025 middle Male 2198 15.82 (9.2) 17.99 (7.89) 16.28 (5.98) 7.35 (5.58) 120.85 (41.86) 183.8 (67.39)
2024-2025 end Female 2146 20.58 (7.25) 23.2 (7.71) 17.21 (5.41) 11.24 (4.82) 140.54 (37.71) 226.62 (59.72)
2024-2025 end Male 2190 19.56 (8.01) 22.13 (7.92) 16.43 (5.84) 10.4 (5.28) 134.9 (40.09) 215.75 (63.5)
PELI Descriptives by Race/Ethnicity, School Year, and Benchmark Period
School Year Benchmark Period Race/Ethnicity N AK PA Language Index Composite
2023-2024 beginning Asian 42 16.69 2.50 72.07 122.33 (69.14)
2023-2024 beginning Black or African-American 1227 10.58 3.03 96.35 135.75 (67.04)
2023-2024 beginning Hispanic or Latino 556 5.51 1.72 59.41 80.58 (71.31)
2023-2024 beginning Indigenous (AI/AN, NH/PI) 14 7.64 3.64 92.00 127.36 (90.67)
2023-2024 beginning Two or more races 199 8.68 3.83 108.03 146.95 (68.82)
2023-2024 beginning White non-Hispanic 1590 8.51 4.02 108.71 148.14 (67.56)
2023-2024 middle Asian 44 22.52 7.00 103.30 177.66 (63.01)
2023-2024 middle Black or African-American 1297 17.42 7.26 124.51 190.23 (63.82)
2023-2024 middle Hispanic or Latino 592 13.55 5.15 96.23 145.75 (75.28)
2023-2024 middle Indigenous (AI/AN, NH/PI) 14 16.64 9.77 122.50 198.08 (82.34)
2023-2024 middle Two or more races 213 16.28 8.66 133.71 202.81 (56.31)
2023-2024 middle White non-Hispanic 1626 15.99 8.62 132.38 200.74 (58.91)
2023-2024 end Asian 44 24.23 11.27 114.89 208.02 (60.53)
2023-2024 end Black or African-American 1314 20.82 10.67 135.53 219.51 (60.65)
2023-2024 end Hispanic or Latino 608 18.44 8.71 112.16 183.88 (77.43)
2023-2024 end Indigenous (AI/AN, NH/PI) 14 20.64 11.43 131.07 219 (79.25)
2023-2024 end Two or more races 218 19.97 11.53 145.81 231.76 (50.38)
2023-2024 end White non-Hispanic 1627 20.10 11.42 144.82 230.63 (52.03)
2024-2025 beginning Asian 44 13.55 2.20 79.02 121.16 (59.73)
2024-2025 beginning Black or African-American 1506 9.40 2.63 97.87 132.79 (66.38)
2024-2025 beginning Hispanic or Latino 597 5.32 1.61 58.07 78.39 (73.44)
2024-2025 beginning Indigenous (AI/AN, NH/PI) 10 8.40 7.50 120.10 175.2 (42.62)
2024-2025 beginning Two or more races 240 7.41 2.70 102.38 133.11 (63.49)
2024-2025 beginning White non-Hispanic 1629 8.15 3.94 108.38 146.53 (69.63)
2024-2025 middle Asian 44 20.64 7.73 116.41 190.09 (62.29)
2024-2025 middle Black or African-American 1599 17.18 7.34 126.37 191.98 (62.88)
2024-2025 middle Hispanic or Latino 626 14.24 6.44 95.80 151.89 (80.27)
2024-2025 middle Indigenous (AI/AN, NH/PI) 10 15.90 11.30 147.40 226.4 (45.88)
2024-2025 middle Two or more races 254 16.06 7.97 132.30 198.3 (54.35)
2024-2025 middle White non-Hispanic 1670 16.01 8.73 134.84 203.69 (60.38)
2024-2025 end Asian 46 23.67 10.72 131.83 220.83 (55.4)
2024-2025 end Black or African-American 1597 20.57 10.62 137.06 220.53 (58.46)
2024-2025 end Hispanic or Latino 630 18.38 9.43 111.73 186.49 (80.66)
2024-2025 end Indigenous (AI/AN, NH/PI) 10 19.40 13.60 150.60 243.4 (44.71)
2024-2025 end Two or more races 253 20.22 11.02 142.13 226.57 (52.68)
2024-2025 end White non-Hispanic 1665 20.07 11.41 147.20 233.2 (53.56)
PELI Descriptives by Disability Status (Composite SPED/504 Flag)
School Year Benchmark Period Disability (SPED/504) N AK PA Language Index Composite
2023-2024 beginning No 633 9.04 3.01 90.91 126.68 (70.71)
2023-2024 beginning Yes 65 9.48 1.31 45.28 73.62 (57.39)
2023-2024 middle No 648 16.47 6.94 119.78 182.36 (67.59)
2023-2024 middle Yes 72 15.83 3.94 83.12 132.17 (71.94)
2023-2024 end No 657 20.51 10.25 134.26 216.09 (62.95)
2023-2024 end Yes 73 20.38 6.19 93.67 159.99 (71.19)
2024-2025 beginning No 502 9.10 3.01 93.88 129.74 (74.9)
2024-2025 beginning Yes 55 7.76 0.67 49.09 70.64 (63.33)
2024-2025 middle No 531 17.24 7.61 119.68 186.37 (65.5)
2024-2025 middle Yes 59 15.39 3.27 77.47 123.03 (76.96)
2024-2025 end No 538 20.90 11.10 134.20 219.93 (62.08)
2024-2025 end Yes 59 19.68 6.27 95.58 160.58 (75.11)

District Variance

PELI EOY Composite by District and School Year
School Year District Name N Composite
2023-2024 Bartow County School System 469 221.16 (57.47)
2023-2024 Troup County Schools 466 205.79 (62.4)
2023-2024 Liberty County School System 436 211.87 (57.03)
2023-2024 Clayton County Public Schools 361 218.16 (71.74)
2023-2024 Rockdale County Public Schools 320 235.43 (53.09)
2023-2024 Thomas County Schools 317 235.68 (48.07)
2023-2024 Burke County Public Schools 201 239.63 (50.12)
2023-2024 Grady County Schools 186 193.87 (79.15)
2023-2024 Newton County Schools 180 226.98 (62.82)
2023-2024 Tattnall County Schools 177 189.03 (67.67)
2023-2024 Cook County Schools 175 221.97 (50.98)
2023-2024 Ben Hill County School District 168 214.68 (59.71)
2023-2024 Haralson County School District 159 222.81 (57.73)
2023-2024 Toombs County Schools 156 187.56 (66.83)
2023-2024 Elbert County School District 151 222.54 (58.76)
2023-2024 Butts County School System 145 223.01 (49.24)
2023-2024 Vidalia City Schools 133 241.17 (46)
2023-2024 Meriwether County Schools 130 211.38 (65.18)
2023-2024 Union County Schools 129 201.97 (52.73)
2023-2024 Lamar County Schools 128 252.81 (40.01)
2023-2024 Pike County Schools 125 231.67 (49.14)
2023-2024 YMCA Early Learning Center Paulding 109 240.78 (59.61)
2023-2024 Brooks County School District 94 202.23 (69.1)
2023-2024 Charlton County School District 87 221.15 (54.13)
2023-2024 Barrow County School System 86 198.22 (73.22)
2023-2024 Pulaski County Schools 76 207.92 (59.99)
2023-2024 Lanier County School District 75 238.24 (60.41)
2023-2024 Dooly County School System 66 212.11 (55.25)
2023-2024 Treutlen County Schools 55 248.4 (58.67)
2023-2024 Terrell County School System 40 208.78 (46.78)
2023-2024 Randolph County School System 30 171.07 (56.99)
2023-2024 Glascock County School System 28 209.11 (56.93)
2023-2024 Stewart County Schools 17 232.12 (41.28)
2023-2024 Baker County School District 11 228.18 (35.48)
2023-2024 Clay County School District (GA) 11 207.18 (43.12)
2023-2024 Taliaferro County School District 6 234.67 (32.61)
2024-2025 Bartow County School System 441 228.25 (56.32)
2024-2025 Liberty County School System 373 221.56 (56.35)
2024-2025 Troup County Schools 373 203.44 (67.38)
2024-2025 Clayton County Public Schools 344 227.4 (64.04)
2024-2025 Rockdale County Public Schools 311 230.45 (61.06)
2024-2025 Thomas County Schools 300 234.93 (51.66)
2024-2025 Burke County Public Schools 211 230.76 (57.29)
2024-2025 Haralson County School District 190 232.29 (57.59)
2024-2025 Tattnall County Schools 189 198.2 (67.62)
2024-2025 Grady County Schools 178 208.64 (69.41)
2024-2025 Newton County Schools 163 230.05 (52.08)
2024-2025 Ben Hill County School District 160 201.79 (63.34)
2024-2025 Cook County Schools 160 213.52 (70.09)
2024-2025 Elbert County School District 149 223.52 (61.86)
2024-2025 Butts County School System 130 228.4 (55.95)
2024-2025 Vidalia City Schools 130 229.73 (50.6)
2024-2025 Meriwether County Schools 127 209.69 (64.25)
2024-2025 Lamar County Schools 120 225.56 (59.88)
2024-2025 Union County Schools 106 206.75 (55.06)
2024-2025 Pike County Schools 96 246.24 (35.8)
2024-2025 Lanier County School District 92 216.09 (77.62)
2024-2025 Pulaski County Schools 77 207.34 (62.83)
2024-2025 Charlton County School District 76 241.33 (40.57)
2024-2025 Barrow County School System 73 195.81 (60.31)
2024-2025 Brooks County School District 73 192.96 (71.96)
2024-2025 Richmond County School System 64 171.06 (60.18)
2024-2025 Treutlen County Schools 60 252.67 (60.01)
2024-2025 Dooly County School System 59 241.73 (52.6)
2024-2025 Terrell County School System 39 229.67 (40.44)
2024-2025 Glascock County School System 31 197.68 (70.52)
2024-2025 Toombs County Schools 20 150.2 (64.27)
2024-2025 Baker County School District 18 220.28 (58.56)
2024-2025 Stewart County Schools 18 178.67 (62.76)
2024-2025 Clay County School District (GA) 16 179.88 (69.27)
2024-2025 Taliaferro County School District 4 227 (25.83)
Variance Decomposition: PELI EOY Composite by District
School Year Between-District Variance Within-District Variance ICC
2023-2024 235.55 3482.15 0.063
2024-2025 219.40 3625.83 0.057

Concurrent Validity (RQ1)

PPVT-5 and PELI Concurrent Sample (2023-2024)
Benchmark Period N (PPVT x PELI) PPVT-5 Raw Mean PPVT-5 SS Mean PELI Composite Mean
beginning 2672 69.74 86.43 137.27
end 2640 92.22 91.72 223.44
Concurrent Correlations: PELI Subscales with PPVT-5 Standard Score (2023-2024)
Benchmark Period Measure N r
beginning AK Total Score 2668 0.270
beginning V-OL Total Score 2668 0.479
beginning Comp Total Score 2666 0.471
beginning PA Total Score 2664 0.399
beginning Language Index Score 2666 0.519
beginning PELI Composite Score 2664 0.541
end AK Total Score 2637 0.291
end V-OL Total Score 2637 0.473
end Comp Total Score 2637 0.498
end PA Total Score 2637 0.386
end Language Index Score 2637 0.527
end PELI Composite Score 2637 0.532
PELI Composite x PPVT-5 SS Concurrent Correlations by Subgroup (2023-2024 EOY)
Variable Group N r
Gender Female 1129 0.522
Gender Male 1067 0.543
Race/Ethnicity White non-Hispanic 1029 0.470
Race/Ethnicity Black or African-American 688 0.482
Race/Ethnicity Hispanic or Latino 329 0.668
Race/Ethnicity Two or more races 121 0.535
Race/Ethnicity Asian 24 0.238
Race/Ethnicity Indigenous (AI/AN, NH/PI) 5 -0.742
ELL Status English Speaking/Fluent English Proficient 383 0.660
Disability (SPED/504) No 424 0.598
Disability (SPED/504) Yes 42 0.629

Predictive Validity (RQ2)

Sample for Predictive Validity
Frame N
PELI Pre-K 2023-2024 (unique students with any score) 5610
Acadience K 2024-2025 (unique K students) 10272
EOY to EOY analytic sample 4316
PELI Pre-K (2023-2024) Descriptives, Linked Sample
PELI Benchmark Period N AK PA Language Index Composite
beginning 4065 8.82 (9.09) 3.32 (4.62) 98.28 (46.68) 135.04 (70.41)
middle 4248 16.15 (9.06) 7.56 (5.61) 124.52 (38.69) 188.96 (63.99)
end 4316 20.08 (7.7) 10.78 (5.11) 137.03 (36.87) 220.14 (59.47)
PELI Pre-K EOY and Acadience K EOY by Gender
Gender N PELI Composite (Pre-K EOY) Acadience Composite (K EOY)
Female 1766 226.31 (55.76) 134.15 (44.33)
Male 1669 213.33 (63.44) 127.81 (49.94)
PELI Pre-K EOY and Acadience K EOY by Race/Ethnicity (Indigenous Combined)
Race/Ethnicity N PELI Composite (Pre-K EOY) Acadience Composite (K EOY)
Asian 36 206.81 (64.07) 160.58 (41.93)
Black or African-American 1104 221.24 (57.55) 126.38 (50.64)
Hispanic or Latino 533 184.99 (76.19) 118.08 (47.61)
Indigenous (AI/AN, NH/PI) 14 219 (79.25) 135.5 (52.93)
Two or more races 170 234.67 (46.93) 139.33 (40.32)
White non-Hispanic 1435 230.78 (51.51) 139.09 (43.86)
PELI Pre-K EOY and Acadience K EOY by Disability Status (SPED/504 Composite)
SPED_Any N PELI Composite (Pre-K EOY) Acadience Composite (K EOY)
No 582 218.01 (60.79) 117.05 (44.67)
Yes 60 162.32 (71.07) 75.1 (46.79)
Predictive Correlations: PELI Pre-K EOY to Acadience K EOY Reading Composite
Measure N r
AK Total Score 4316 0.472
V-OL Total Score 4316 0.342
Comp Total Score 4316 0.321
PA Total Score 4316 0.460
Language Index Score 4316 0.357
PELI Composite Score 4316 0.492

Correlations by K Subscale

Predictive Correlations: PELI Pre-K EOY Scores with Acadience K EOY Subscales (FSF, PSF, NWF-CLS, NWF-WWR)
PELI Measure (Pre-K EOY) FSF Score PSF Score NWF-CLS Score NWF-WWR Score
AK Total Score NA 0.305 0.378 0.262
V-OL Total Score NA 0.345 0.226 0.139
Comp Total Score NA 0.340 0.190 0.112
PA Total Score NA 0.418 0.329 0.217
Language Index Score NA 0.373 0.222 0.131
PELI Composite Score NA 0.447 0.341 0.219

PELI Composite to K Outcomes

Simple Regressions: PELI Pre-K EOY Composite Predicting Acadience K EOY Reading Composite and Each Subscale
Outcome N Intercept Beta (PELI Composite) SE t value p value R-squared
Acadience Reading Composite Score 4316 42.237 0.395 0.011 37.165 0 0.243
FSF Score 0 NA NA NA NA NA NA
PSF Score 4316 15.376 0.138 0.004 32.810 0 0.200
NWF-CLS Score 4316 7.808 0.127 0.005 23.842 0 0.116
NWF-WWR Score 4316 -2.767 0.031 0.002 14.731 0 0.048

PELI Subscale Intercorrelations

PELI Subscale Intercorrelations, Beginning of Year
AK.Total.Score V.OL.Total.Score Comp.Total.Score PA.Total.Score Language.Index.Score Composite.Score
AK.Total.Score 1.00 0.26 0.23 0.38 0.27 0.58
V.OL.Total.Score 0.26 1.00 0.68 0.45 0.91 0.83
Comp.Total.Score 0.23 0.68 1.00 0.47 0.92 0.83
PA.Total.Score 0.38 0.45 0.47 1.00 0.50 0.74
Language.Index.Score 0.27 0.91 0.92 0.50 1.00 0.90
Composite.Score 0.58 0.83 0.83 0.74 0.90 1.00
PELI Subscale Intercorrelations, Middle of Year
AK.Total.Score V.OL.Total.Score Comp.Total.Score PA.Total.Score Language.Index.Score Composite.Score
AK.Total.Score 1.00 0.35 0.25 0.46 0.33 0.63
V.OL.Total.Score 0.35 1.00 0.67 0.54 0.92 0.84
Comp.Total.Score 0.25 0.67 1.00 0.52 0.91 0.80
PA.Total.Score 0.46 0.54 0.52 1.00 0.58 0.81
Language.Index.Score 0.33 0.92 0.91 0.58 1.00 0.90
Composite.Score 0.63 0.84 0.80 0.81 0.90 1.00
PELI Subscale Intercorrelations, End of Year
AK.Total.Score V.OL.Total.Score Comp.Total.Score PA.Total.Score Language.Index.Score Composite.Score
AK.Total.Score 1.00 0.33 0.32 0.52 0.35 0.62
V.OL.Total.Score 0.33 1.00 0.70 0.53 0.92 0.84
Comp.Total.Score 0.32 0.70 1.00 0.60 0.92 0.85
PA.Total.Score 0.52 0.53 0.60 1.00 0.61 0.83
Language.Index.Score 0.35 0.92 0.92 0.61 1.00 0.92
Composite.Score 0.62 0.84 0.85 0.83 0.92 1.00

Convergent / Discriminant Framing

RQ1: Concurrent Correlations Labeled by Convergent/Discriminant Validity Framework
Benchmark Period Measure Construct N r
beginning AK Total Score Discriminant (Alphabet Knowledge) 2668 0.270
beginning V-OL Total Score Convergent (Vocabulary/Oral Language) 2668 0.479
beginning Comp Total Score Reference (Comprehension) 2666 0.471
beginning PA Total Score Discriminant (Phonological Awareness) 2664 0.399
beginning Language Index Score Reference (Language Index) 2666 0.519
beginning PELI Composite Score Reference (Composite) 2664 0.541
end AK Total Score Discriminant (Alphabet Knowledge) 2637 0.291
end V-OL Total Score Convergent (Vocabulary/Oral Language) 2637 0.473
end Comp Total Score Reference (Comprehension) 2637 0.498
end PA Total Score Discriminant (Phonological Awareness) 2637 0.386
end Language Index Score Reference (Language Index) 2637 0.527
end PELI Composite Score Reference (Composite) 2637 0.532

Full Regression Model

RQ2: Predictive Validity Regression with Demographic Covariates and LEA Fixed Effects (District Coefficients Omitted)
Term Estimate SE t value p value
(Intercept) 93.331 17.929 5.205 0.0000
PELI Composite Score 0.378 0.028 13.719 0.0000
GenderMale 5.623 3.079 1.826 0.0683
Race/EthnicityBlack or African-American -32.458 17.497 -1.855 0.0641
Race/EthnicityHispanic or Latino -27.405 17.431 -1.572 0.1164
Race/EthnicityTwo or more races -27.574 18.465 -1.493 0.1359
Race/EthnicityWhite non-Hispanic -32.537 17.552 -1.854 0.0642
SPED_AnyYes -17.904 5.466 -3.276 0.0011
RQ2 Model Fit Summary
R-squared Adjusted R-squared N Districts (Fixed Effects) N
0.334 0.323 33 4316

Score Prediction (RQ2a)

By K Period

PELI Composite by K period.
K Period N r Beta SE t p value R2
beginning 4269 0.581 0.230 0.005 46.57 0 0.337
middle 4250 0.568 0.523 0.012 44.97 0 0.323
end 4317 0.492 0.394 0.011 37.17 0 0.243

By Subscale

PELI Composite by K subscale.
K EOY Outcome N r Beta SE t p value R2
Reading Composite 4317 0.492 0.394 0.011 37.17 0 0.243
PSF 4317 0.447 0.138 0.004 32.81 0 0.200
NWF-CLS 4317 0.341 0.127 0.005 23.85 0 0.116
NWF-WWR 4317 0.219 0.031 0.002 14.73 0 0.048

Scatter

By PELI Bin

K Acadience by PELI bin.
PELI Bin N Mean K SD K
0-39 42 64.9 52.8
40-79 107 74.5 39.3
80-119 185 80.7 43.7
120-159 347 96.1 41.9
160-199 562 111.6 43.3
200-239 1069 128.4 39.7
240-279 1487 144.6 40.6
280-319 518 160.7 44.4

Adjusted

Unadjusted vs. adjusted PELI Composite model.
Model N PELI Beta SE R2
PELI Composite only 4317 0.394 0.011 0.243
PELI Composite + demographics + district FE 4317 0.378 0.028 0.334

Classification (RQ2a)

Sens / Spec by K Period

Sens/Spec by K period (H1: both > 0.870).
K Period N Sensitivity Specificity PPV NPV H1 Met
beginning 2890 0.883 0.748 0.798 0.850 No
middle 2630 0.823 0.729 0.819 0.734 No
end 2406 0.807 0.687 0.793 0.706 No

K EOY Confusion Matrix

PELI Pre-K EOY x Acadience K EOY.
PELI Pre-K EOY On/Above Benchmark Below Benchmark
On/Above Benchmark 666 277
Below Benchmark 303 1160

By K Subscale (EOY)

Sens/Spec by K subscale (H1: both > 0.870).
K EOY Subscale Source N Sensitivity Specificity PPV NPV H1 Met
PSF Status 2165 0.789 0.616 0.678 0.740 No
NWF-CLS Status 2487 0.757 0.612 0.716 0.661 No
NWF-WWR Score cut 3470 0.640 0.658 0.883 0.313 No