紀要論文 1980年代前半と1990年代後半における青年期の樹木画の位置に関する一考察

山田, 麻有美

内容記述
バウムテストの信頼性を明らかにすることを目的に,青年期の樹木画の位置を1980年代前半と1990年代後半で比較を行った。作業仮説は,?1980年代前半と1990年代後半では画面上の樹木画の位置に違いがある,?1980年代前半と1990年代後半では中央部に描かれる樹冠部の位置に違いがある,?1980年代前半と1990年代後半では中央部に描かれる幹の位置に違いがある,?1980年代前半と1990年代後半では中央部に描かれる根の位置に違いがある,である。研究の結果,画面上の樹木画の位置と,中央部に描かれた樹冠,幹,根の位置すべてに,年代間に有意な差異が認められた。研究の結果,バウムテストの信頼性を確認できなかった。今後バウムテストの信頼性と妥当性に関する更なる検討が必要であろう。
The purpose of this paper is to investigate the validity of Baumtests (tree-drawing tests). Differences in positions of trees in adolescent drawings made in the early 1980s and positions of trees in adolescent drawings made in the late 1990s were examined. This study was based on the following assumptions: (1) there would be differences between the amount of space used in the positions of trees in drawings made in the early 1980s and drawings made in the late 1990s; (2) there would be differences in the positions of the crowns of trees in the central drawing space between drawings made in the early 1980s and drawings made in the late 1990s; (3) there would be differences in positions of tree trunks in the central drawing space between drawings made in the early 1980s and drawings made in the late 1990s; (4) there would be differences in the positions of tree roots in the central drawing space between drawings made in the early 1908s and drawings made in the late 1990s. The conclusion of this study is that there are significant differences in positions of whole trees, tree crowns, tree trunks or tree roots in the central drawing space between drawings made in the early 1980s and drawings made in the late 1990s As a result, it is likely that the reliability of Baumtests will not be confirmed, yet further study to confirm the reliability and validity of Baumtests is needed.
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