Julie Vaiopoulou, Themistocles Tsikalas, Dimitrios Stamovlasis, George Papageorgiou
Conceptual understanding in science learning and the role of four psychometric variables: a person-centered approach
Frontiers in psychology
plant biology mainly plant anatomy less attractive area students high school university much research devoted improve field therefore researched teaching root stem leaf anatomy combined preparation native microscopic slides histochemical reaction using two selected dyes classic phloroglucinol test combined textile dye duha green visualize xylem phloem respectively use reagents teaching positive effect students knowledge control experimental class root 70 stem 70 leaf anatomy 130 well vascular mechanical tissues 170 leading overall improvement knowledge ca 100 students ability identify individual tissues microscopic slides increased also understood functions individual tissues selfpreparing staining slides however identified aspects still problematic students experimental education eg identification tissue providing secondary growth significance sclerenchyma transpiration also attach correct answers anatomy test worksheets used practical exercises motivation wider use improve students knowledge plant anatomy