Item types (number of items)

Junior middle school students (n = 50)

Senior middle school students (n = 50)

Postgraduates (n = 15)

Positive (18)

69.35% - 100%

71.23% - 100%

75.40% - 100%

Negative (18)

62.34% - 100%

62.56% - 100%

71.39% - 100%

Neutral (18)

63.78% - 100%

64.68% - 100%

72.48% - 100%