# Projective Sentence Examples

Analytic This is the analytical expression of the

**projective**Geometry.Mobius must be regarded as one of the leaders in the introduction of the powerful methods of modern

**projective**geometry.It was during his imprisonment here that, "prive de toute espece de livres et de secours, surtout distrait par les malheurs de ma patrie et les miens propres," as he himself puts it, he began his researches on

**projective**geometry which led to his great treatise on that subject.They are objects of desire and exchange, actors in subsistence, ceremonial and market economies and sites of deep

**projective**identification.For the subjects under this heading see the articles CONIC SECTIONS; CIRCLE; CURVE; GEOMETRICAL CONTINUITY; GEOMETRY, Axioms of; GEOMETRY, Euclidean; GEOMETRY,

**Projective**; GEOMETRY, Analytical; GEOMETRY, Line; KNOTS, MATHEMATICAL THEORY OF; MENSURATION; MODELS; PROJECTION; Surface; Trigonometry.AdvertisementThe general relations between the parabola, ellipse and hyperbola are treated in the articles Geometry, Analytical, and Conic Sections; and various

**projective**properties are demonstrated in the article Geometry,**Projective**.See the bibliography to the articles Conic Sections; Geometry, Analytical; and Geometry,

**Projective**.Others, such as the Barycentrische Calciil of Mobius, and the Methode des equipollences of Bellavitis, give elegant modes of treating space problems, so long as we confine ourselves to

**projective**geometry and matters of that order; but they are limited in their field, and therefore need not be discussed here.This is essentially a theorem of

**projective**geometry, but the following statical proof is interesting.He also published several papers on algebraic forms and

**projective**geometry.AdvertisementBut in modern geometry, especially in the analytical and

**projective**methods, the "principle of continuity" renders advisable the inclusion of the other forms of the section of a cone, viz.In

**projective**geometry it is convenient to define a conic section as the projection of a circle.He introduces what are now called the geometrical forms (the row, flat pencil, &c.), and establishes between their elements a one-one correspondence, or, as he calls it, makes them

**projective**.He next gives by aid of these

**projective**rows and pencils a new generation of conics and ruled quadric surfaces, "which leads quicker and more directly than former methods into the inner nature of conics and reveals to us the organic connexion of their innumerable properties and mysteries."Even limited space in which we move they might not be true -

**projective**geometry.AdvertisementSuch couples could be said to be in a kind of '

**projective**gridlock ' .A fundamental property of the curve is that the line at infinity is a tangent (see Geometry,

**Projective**), and it follows that the centre and the second real focus and directrix are at infinity.A collection of her most important papers, topics include

**projective**identification and unconscious phantasy.The Thematic Apperception Test is a

**projective**personality test.A

**projective**test is one in which a person's patterns of thought, attitudes, observational capacity, and emotional responses are evaluated on the basis of responses to ambiguous test materials.AdvertisementLike the TAT and the Rorschach inkblot test, the CAT is a type of personality assessment instrument known as a

**projective**test.The term

**projective**refers to a concept originated by Sigmund Freud.In a

**projective**test such as the CAT, there is no right or wrong answer.Although responses in

**projective**tests are believed to reflect personality characteristics, many experts have called into question the reliability, validity, and hence, usefulness of these tests as diagnostic techniques.The CAT, as well as other

**projective**measures, has been criticized for its lack of a standardized method of administration as well as the lack of standard norms for interpretation.AdvertisementAlthough it can provide useful information about a child's personality, the CAT, as a

**projective**measure, relies heavily on the interpretations of the test administrator and is often referred to as an assessment tool rather than a test.**Projective**test-A type of psychological test that assesses a person's thinking patterns, observational ability, feelings, and attitudes on the basis of responses to ambiguous test materials.**Projective**tests are often used to evaluate patients with personality disorders.Rorschach test-A well-known

**projective**test in which subjects are asked to describe a series of black or colored inkblots.Most are objective and quantifiable; however, certain

**projective**tests may involve some level of subjective interpretation.Another type of personality test is the

**projective**personality assessment.A

**projective**test asks a child to interpret some ambiguous stimuli, such as a series of inkblots.Another

**projective**assessment, the Thematic Apperception Test (TAT), asks the child to tell a story about a series of pictures.Some consider

**projective**tests to be less reliable than objective personality tests.A

**projective**test asks the test-taker to interpret ambiguous situations.It requires a skilled, trained examiner to administer and interpret a

**projective**test.One well-known

**projective**test is the Rorschach Psycho-diagnostic Test, or inkblot test, first devised by the Swiss psychologist Hermann Rorschach in the 1920s.Another widely used

**projective**test for people ages 14 to 40 is the Thematic Apperception Test (TAT), developed at Harvard University in the 1930s.In

**projective**geometry it may be defined as the conic which intersects the line at infinity in two real points, or to which it is possible to draw two real tangents from the centre.His manual on Graphical Statics and his Elements of

**Projective**Geometry (translated by C. Leudesdorf), have been published in English by the Clarendon Press.