The greatest cooperative effort of taxonomists in the United States of America and Canada to study flora of this continent has come to an abrupt end after seven years of preparatory work. Financial support from government agency has been withdrawn and all significant projects have no alternative but to be closed down. (PS)

A partial rejoinder to an earlier article (EAQ Winter, volume 8, 1972) reporting an empirical test of the so-called Clark-Guba model of educational change. (Author/JH)

The Library of Congress National Program for Acquisitions and Cataloging (NPAC) has operated since 1966. This report examines its impact on university libraries. Administration of technical services departments and financial advantages are discussed. (6 references) (DH)

Discussion of phenomenon of shape-differentiation as it appears in the numerical classifiers, classificatory verbs, and body-part suffixes of the Tarascan language. (RS)

Learning occurred faster with a fixed input grouping sequence than with a changing sequence. (Authors)

A 2x3x2 factorial design was used to study the effects of sex, verbalization of concepts by students, and information supplied by other students" or teachers" or performance in a multiple classification seriation task by fourth grade students. There was a significant interaction of sex and information source. (AL)

The emphasis of this look at today's public libraries and their future is on the policies of these libraries rather than their funding. (NH)

Whereas middle-aged individuals tended to group the entire stimulus array into piles of similar items, the elderly individuals grouped very much as young children do--arranging only a portion of the stimulus array into elaborate designs. (Authors)

A listing of the program is available from the author at Northwestern University. (MB)

Study concerned with the effects of procedural differences on the classification of geometrical stimuli. (Author)

The development of multiplicative classificatory skills in children between 4 and 9 years of age was investigated by means of two forms of the matrix-completion task. (Authors)

Nineteen stutterers provided samples of speech and reading from which scores representing 46 visible-audible phenomena were correlated. (Author)

The substitution information contained in automatically obtained keyword classification is most effectively exploited when: (1) strong similarity connectives only are utilized, (2) grouping is confined to non-frequent terms, (3) term groups are used to provide additional and not alternative descriptive items and (4) descriptor collection frequency…