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Table 1 Demographics of enrollment by class and condition in Experiment 2

From: Using analogy to learn about phenomena at scales outside human perception

  Frequency (%)
Clicker feedback Linear visualization
Fall 2011 (Control) Spring 2012 (Intervention) Fall 2012 (Intervention) Fall 2011 (Control) Spring 2012 (Intervention) Fall 2012 (Intervention)
Age (years) μ = 22.1, σ = 1.4 μ = 21.7, σ = 1.9 μ = 20.0, σ = 1.5 μ = 22.72, σ = 1.9 μ = 21.7, σ = 1.3 μ = 19.8, σ = 3.8
Sex
 Male 45 (43.3) 71 (59.7) 59 (49.6) 55 (45.8) 44 (41.5) 49 (44.1)
 Female 59 (56.7) 48 (40.3) 60 (50.4) 65 (54.2) 62 (58.5) 62 (55.9)
Race
 White/Caucasian 81 (77.9) 89 (74.8) 84 (70.6) 82 (68.3) 67 (63.3) 80 (72.1)
 African-American 10 (9.6) 8 (6.7) 10 (8.4) 13 (10.8) 12 (11.3) 12 (10.8)
 Asian 4 (3.8) 8 (6.7) 5 (4.2) 7 (5.8) 6 (5.7) 6 (5.4)
 Hispanic 4 (3.8) 5 (4.2) 12 (10.1) 5 (4.2) 10 (9.4) 6 (5.4)
 Not identified 4 (3.8) 8 (6.7) 7 (5.9) 7 (5.8) 8 (7.5) 3 (2.7)
 Other 1 (1.0) 1 (0.8) 1 (0.8) 6 (5.0) 3 (2.8) 4 (3.6)
Education level
 Freshman 16 (15.4) 21 (17.6) 26 (21.8) 29 (24.2) 9 (8.5) 49 (44.1)
 Sophomore 54 (51.9) 49 (41.2) 45 (37.8) 42 (35.0) 48 (45.3) 38 (34.2)
 Junior 27 (26.0) 33 (27.7) 28 (23.5) 35 (29.2) 29 (27.4) 14 (12.6)
 Senior 7 (6.7) 9 (7.6) 17 (14.3) 12 (10.0) 14 (13.2) 8 (7.2)
 5+ 0 (0.0) 0 (0.0) 3 (2.5) 2 (1.7) 6 (5.7) 2 (1.8)
Degree
 Bachelor of Arts 70 (67.3) 62 (52.1) 81 (68.1) 56 (46.7) 58 (54.7) 51 (45.9)
 Bachelor of Science Education 6 (5.8) 12 (10.1) 7 (5.9) 13 (10.8) 11 (10.4) 14 (11.7)
 Bachelor of Business 5 (4.8) 23 (19.3) 20 (16.8) 21 (17.5) 13 (12.3) 30 (27.0)
 Bachelor of Science 16 (15.4) 18 (15.1) 8 (6.7) 20 (16.7) 14 (13.2) 14 (12.6)
 Other Bachelor degree 7 (6.8) 4 (2.5) 3 (2.5) 10 (8.3) 9 (7.5) 3 (2.7)
 Non-degree 0 (0.0) 1 (0.8) 0 (0.0) 0 (0.0) 1 (0.9) 0 (0.0)
  1. Note: Percentages do not sum to one hundred percent because not all students disclosed demographic information