Table 1 Demographic characteristics of participants (N = 3028).

From: Influence of short video usage on adolescent’s learning strategies: investigation on teenagers in HeBei North China

Items

Levels

Counts

Percentage(%)

Gender

Male

1371

45.28

Female

1657

54.72

Years-old

13–15

1744

57.6

16–19

1284

42.4

Academic levels

Middle School

1818

60.04

High School

1210

39.96

Personality self-evaluation.

Typical Introverted

383

12.65

Introverted dominate

1503

49.63

Extroverted dominate

992

32.75

Typical Extroverted

150

4.97