| Study 1: learning | Study 2: perception and performance | Study 3: perception |
---|---|---|---|
Date | January and June 2021 | November 2021 | June 2022 |
Grades | 3–4 (ages 7–9) | 3–6 (ages 7–11) | 3–6 (ages 7–11) |
Number of schools | 7 CS-schools | 7 CS-schools | 3 CS-schools and 2 non-CS-schools |
Number of teachers | 83 | 142 | 95 |
Number of students | 1384 | 2433 | 1644 |
Student—CT-concepts | x | x |  |
Student—perception of CS |  | x | x |
Teacher—perception of CS | x |  |  |
Teacher—activities taught |  | x |  |