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House-Tree-Person Projective Drawing Technique Presentation by: Jean Evans & Kristen Speer CNED 5303 11/11/04.

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Presentation on theme: "House-Tree-Person Projective Drawing Technique Presentation by: Jean Evans & Kristen Speer CNED 5303 11/11/04."— Presentation transcript:

1 House-Tree-Person Projective Drawing Technique Presentation by: Jean Evans & Kristen Speer CNED /11/04

2 Facts zAuthor: John N Buck zDeveloped in 1947 with revisions in 1948, 1949, and (Buck and Warren) 1992 zOriginally developed as an outgrowth of the Goodenough Scale* utilized to access intellectual functioning

3 *Florence Goodenough developed Measurement of Intelligence by Drawings in The instrument focus was on the human figure and its purpose was to derive a measure of I.Q.

4 Facts (cont.) zPublisher: yWestern Psychological Services y12031 Wilshire Blvd yLos Angeles, CA y

5 Cost zMany types of packages available zH-T-P Interpretation Booklet: y4 page booklet that allows administrator to record, score, and interpret all information from a drawing session y$19.92/package of 25

6 Purpose z*Designed to aid clinician in obtaining information concerning an individuals sensitivity, maturity, flexibility, efficiency, degree of personality integration, and interaction with the environment. z*Provides a structured context for the projection of unconscious material. z*

7 Purpose (cont) z*Buck felt that artistic creativity represents a stream of flow onto graphic art. He believed that through drawings, subjects objectified unconscious differences by sketching the inner image of the primary process. z* m

8 Recommended Use zUse in combination with other projective measurement instruments, usually given first as an ice-breaker zAnyone over 3 years of age zEspecially appropriate for individuals who are non-English-speaking, culturally different, educationally deprived, or developmentally disabled.

9 Administration zClient draws three objects: a house, a tree, a person on plain paper zAdministrator then uses a Post-Drawing Inquiry checklist (specific questions) to enable client to describe, define, and interpret his/her drawings zClient responses are organized under 8 categories

10 Administration (cont.) z8 categories for client responses: yGeneral Observations yProportion yPerspective yDetailing yNonessential Details yIrrelevant Details yLine Quality yUse of Color

11 Drawing Analysis zDrawings are interpreted using two paths; intra-subjective and inter- subjective yFirst path, intra-subjective, considers the content and quality of the three drawings; also explores the depth of material behind the drawings ySecond path, inter-subjective, considers features indicative of a certain emotional tendency

12 Time Factors and Considerations zNo time limit (is based on average time) zPaper given to client to draw on should be blank zThis is a projective, not a diagnostic, test zNot standardized zCan purchase a supplemental interrogation form which derives an IQ score

13 Reliability/Validity z*Reliability and validity studies have been most supportive of the cognitive uses of the test in 3 to 10 year old children. y* _draw_notes.html

14 Normative Data zNot used/appropriate for this type of test as every drawing is different for every person (individualized) zNo norms/no standardization data available zSome aspects of drawings may be indicative of psychological trends

15 Administrator/Interpreter Qualifications zBachelors degree

16 Personal Evaluation zLimitations: yoriginal test written in 1970s; Family/cultural values, trends, ideas have changed yInterpretation may be influenced by clinician bias/prejudice

17 Personal Evaluation(cont) zAdvantages: yGood ice-breaker to use in preparation for other tests yGood for engaging reluctant clients yUsed for any ages over 3 yUseful for non-verbal clients yUseful for non-English speaking clients

18 Bibliography Paul Jerry, Ph.D., Centre for Graduate Education in Applied Psychology, Notes on Projective Drawings zRichard Niolon, Ph.D., Chicago School of Professional Psychology, Notes on Projective Drawings zWestern Psychological Services (WPS) ouse_drawings.htm

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