The study was aimed at finding out whdether or not the competence of the
students attending the learning strategy of problem posing of pre solution posing
type is better than those joining the same learning strategy of post solution posing
type. The sampling was done using cluster random sampling. The population wass
the entire eight graders at a Junior High School of SMP Negeri 1 Banyumas, and
the samples were the students of H group taken as the experiment class 1 and
those of G group treated as the experiment class 2. The former was taught using
the pre solution posing type and the latter used the post solution posing type. The
method of comparative test of two sample was Independent Sample t-test. Based
on the analysis, it is found out that the average score of the experiment class 1 was
74,75 and that of the experiment class 2 was 70,59. The result of t test analysis of
two independent samples shows a sig.(one tailed) = 0,0185 < 0,05. This proves
that the competence of the students using pre solution posing type is better than
those treated with the post solution posing type.