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Table 1 Descriptive statistics for knee and ankle study times

From: Instructional multimedia: An investigation of student and instructor attitudes and student study behavior

    Knee Ankle
Program Instructional Method Alone Study Time Group Study Time Total Study Time Alone Study Time Group Study Time Total Study Time
#1 Live Demo N 14 14 14 12 12 12
   Mean (minutes) 44.6 11.8 56.4 27.5 25 52.5
   SD 42.2 32.3 63 36.5 41.8 67.7
  CD Demo N 11 11 11 11 11 11
   Mean (minutes) 19.5 36.8 56.4 18.2 0 18.2
   SD 25.5 50.7 69.4 22.2 0 22.2
  Total N 25 25 25 23 23 23
   Mean (minutes) 33.6 22.8 56.4 23 13 36.1
   SD 37.4 42.4 64.5 30.2 32.2 53.1
#2 Live Demo N 11 11 11 11 11 11
   Mean (minutes) 50 41.4 91.4 34.1 40.9 75
   SD 32.6 34.9 52.4 25.6 40.9 53
  CD Demo N 10 10 10 9 9 9
   Mean (minutes) 47.5 28.5 76 31.7 16.7 47.2
   SD 19.3 36 40.1 40.3 18.5 52.7
  Total N 21 21 21 20 20 20
   Mean (minutes) 48.8 35.2 84 33 30 63
   SD 26.5 35.2 46.5 32.1 34.3 53.3
Programs Combined Live Demo N 25 25 25 23 23 23
   Mean (minutes) 47 24.8 71.8 30.7 32.6 63.3
   SD 37.6 36 60.1 31.2 41.2 60.8
  CD Demo N 21 21 21 20 20 20
   Mean (minutes) 32.9 32.9 65.8 24.3 7.5 31.8
   SD 26.4 43.4 56.9 31.5 14.7 40.6
  Total N 46 46 46 43 43 43
   Mean (minutes) 40.5 28.5 69 27.7 20.9 48.6
   SD 33.4 39.3 58.1 31.1 33.9 54.2