From: Can prompts improve self-explaining an online video lecture? Yes, but do not disturb!
Measure | Prompt type | Overall | |||
---|---|---|---|---|---|
Notes | Principles | Elaborations | Combined | ||
Declarative knowledgea | |||||
 Pretest | 1.27 (1.79) | 1.32 (2.03) | 1.56 (2.78) | 1.21 (2.11) | 1.35 (2.04) |
 Immediate posttest | 5.71 (1.95) | 5.61 (2.30) | 6.21 (1.74) | 5.57 (2.17) | 5.77 (2.05) |
 Delayed posttest | 4.04 (2.82) | 5.09 (2.72) | 5.42 (3.36) | 4.32 (2.81) | 4.73 (2.90) |
Conceptual knowledgeb | |||||
 Immediate posttest | 4.29 (1.99) | 3.86 (2.37) | 4.00 (2.05) | 3.57 (2.13) | 3.94 (2.14) |
 Delayed posttest | 4.00 (2.00) | 3.03 (2.15) | 3.37 (1.83) | 3.39 (2.15) | 3.41 (2.05) |
Self-explanation qualityb | |||||
 Principle-based | 3.99 (2.37) | 6.47 (1.46) | 4.39 (1.72) | 6.18 (1.50) | 5.28 (2.07) |
 Elaboration-based | 0.05 (0.21) | 0.24 (0.60) | 2.28 (1.60) | 2.31 (1.78) | 1.23 (1.63) |
Interruptionsc | 0.87 (1.18) | 1.17 (1.23) | 0.86 (0.83) | 1.18 (1.10) | 1.02 (1.10) |
Learning timed | 24.16 (14.30) | 28.06 (20.99) | 34.87 (29.93) | 46.56 (24.18) | 33.16 (24.73) |
Persistencee | 0.81 (0.40) | 0.89 (0.32) | 0.66 (0.48) | 0.68 (0.48) | 0.77 (0.43) |