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International Journal of STEM Education

Table 3 Descriptive statistics of web accessibility errors (N = 44,241) of physics curriculum webpages disaggregated by institution type and program type. Note: The cells are formatted as mean (standard deviation) with the high; low in the second line

From: Physics webpages create barriers to participation for people with disabilities: five common web accessibility errors and possible solutions

Institution/program type

Web accessibility errors

Level A

Level AA

Levels A & AAa

All (N = 73 institutions)

296.3 (288.5)

1556; 10

36.2 (27.2)

142; 0

322.6 (300.1)

1600; 10

Public, 4-year (N = 45b)

246.4 (181.4)

729; 10

29.3 (21.6)

100; 0

275.7 (187.1)

759; 10

Private, 4-year (N = 46)

302.1 (315.4)

1556; 29

38.1 (22.8)

120; 7

340.2 (322.1)

1600; 48

Public, 2-year (N = 28)

341.9 (353.2)

1412; 38

41.2 (33.5)

124; 5

383.2 (369.3)

1488; 43

Private, 2-year (N = 2)

648.5 (525.4)

1020; 277

81.5 (85.6)

142; 21

730 (610.9)

1162; 298

Associate’s, AA and AS (N = 33)

331.8 (354.9)

1412; 38

41.6 (36.6)

142; 3

373.4 (377.4)

1488; 43

Bachelor’s, BA and BS (N = 88)

283.1 (260.4)

1556; 10

34.3 (22.6)

120; 0

317.3 (266.2)

1600; 10

Graduate research (N = 18)

191.6 (166.8)

691; 25

30.3 (14.6)

61; 6

221.9 (167.5)

734; 57

  1. aNote: Only WCAG 2.0 Level-A and Level-AA errors were reported, as Section 508 only requires compliance with the Level-A and Level-AA web accessibility threshold
  2. bNote: All subsequent sample sizes refer to number of webpages. An individual institution may have multiple webpages in the sample
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