Oleh :

**Bambang Suseno - S830908111 - Pascasarjana**

ABSTRACT
This thesis aimed in determine: 1) the influence of problem based learning through guided inquiry and modified free to the learning achievement on Plantae basic competency 2) the influence of students interest to learning achievement on Plantae basic competency, 3) The students creativity to the learning achievement on in Plantae basic competency, 4) problem based learning interaction through guided inquiry and modified free with an interest in the learning achievement on Plantae basic competency 5) problem based learning interaction through guided inquiry and modified free with creativity in the learning achievement on Plantae basic competency 6) the interaction between interest and creativity in the learning achievement on Plantae basic competency, 7) problem based learning interaction through guided inquiry and modified free, the interest and creativity in the learning achievement on Plantae basic competency.
This Research is a case study takes in SMA Negeri 1 Wonosari Klaten. The subyek of this study is students on the 10th grade, the sample is 80 students in class XC and XD. The sample was taken in cluster random sampling. The data collection is done by questionnaire, tests and the learning achievement result on Plantae basic competency. The data analysis technique uses anava analysis different three cell lines 2x2x2.
Test results as follows: 1) there is an influence between the methods of problem based learning through guided and modified free inquiry to learning achievement in basic competency Plantae, p-value 0.001, p-value<0.05; 2) there is a difference between the effects of high and low interest of learning achievement in basic competency Plantae p-value 0.009, p-value p-value <0.05; 3) there is a difference between the effects of high and low creativity on learning achievement in basic competency Plantae p-value 0.011, p-value <0.05; 4) there is a problem-based learning interaction through inquiry guided and modified free with an interest in learning achievement in basic competency, p-value 0,022, p-value 0,05; 5) there is interaction between problem based learning through guided and free inquiry with modification creativity of learning achievement in basic competency Plantae p-value 0.021, 0.05, 6) there is no interaction between the interest in thep-value creativity of students' learning achievement in basic competency Plantae, p-value 0,078, p-value 0,05; 7) there is a problem based learning interaction through guided inquiry and modified free with an interest in learning achievement in basic competency Plantae p-value 0.003, p-value <0,05.