Development of a Field Guide Book on the Pteridophyta Topic in Padang Lawas Regency

Abstract

This study aimed to determine the feasibility of a field manual guidance for ferns (Pteridophyta) in oil palm and rubber plantations in Padang Lawas District. The subjects in this study were (1) material experts, (2) instructional design experts, (3) layout design experts and (4) 4th semester undergraduate students of Biology Department at Universitas Negeri Medan. This field manual guidance was developed according to Thiagarajan (4D), namely the stages: define, design, development and dissemination, but in this study it was only up to the development stage. The results showed that (1) the assessment of material experts based on material suitability, accuracy and strength of the material, learning systematics, efficiency of field manual guidance in learning and language had an average score of 79.5% with good criteria, (2) the assessment of instructional design experts based on the feasibility and presentation of the content had an average score of 90.86% with very good criteria, (3) the assessment of the layout design experts based on the size aspect, the cover design and the content design of the field manual guidance had an average score namely 82.87% with very good criteria, (4) assessment by 4th semester undergraduate students based on individual trials, small groups and limited groups sequentially had scores 84.04%, 93.63%, 86.86% which showed very good criteria. Therefore it can be concluded that the field guide book for ferns (Pteridophyta) in oil palm and rubber plantations in Padang Lawas Regency which was developed was feasible according to material experts, instructional design experts, layout design experts and students, so that the field manual guidance for ferns (Pteridophyta) in oil palm and rubber plantations in Padang Lawas District could be used as a supplementary book for lecturers, students, readers in general and researchers interested in the field of ferns (Pteridophyta).