The two parts of the questionnaire were designed to answer the question
about the impact of heterogeneous groups by either the ability or
nationality or both versus the homogeneous groups on the attitude of the
nine graders towards learning science as well as the group work itself.
Because of their negative nature, three of the questionnaire statements
(14A, 15B & 19B) were reverse calculated by subtracting the given value
from 4. Table 4 shows the different aspects and dimensions covered by the
questionnaire that may formulate the learner’s attitude towards science and
group work: