grouping

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grouping

The classification of individual traits according to a shared characteristic.

PROCEDURE FOR REVERSE GROUPING. PRINCIPLE: DETECTION OF ANTIBODIES IN THE PATIENT'S SERUM WITH KNOWN COMMERCIAL ANTISERA.

blood grouping

Classification of blood of different individuals according to agglutinating and hemolyzing qualities before making a blood transfusion.

See: blood group; blood transfusionillustration

perceptual grouping

The processing of information derived from nerves in the eyes, ears, nose, tongue, skin, and any other sensory structures. This function helps in understanding the environment and forming a coherent image of what is perceived.

References in periodicals archive ?

Interest expense of each AG member is apportioned based on the value of the combined AG assets generating gross income in a statutory grouping over the value of all the AG's assets as follows:

Value of AG assets generating income in statutory grouping (such as DPGR)/ Value of all AG assets x Interest expense The Sec.

1.861-8(a)(4), under which "statutory grouping" means the gross income from a specific source or activity that must first be determined to arrive at taxable income from such specific source or activity under an operative section.

Allocation and apportionment of expenses for Sec. 199 purposes: for many taxpayers, calculation of the Sec. 199 deduction will require an enormous amount of work. This article focuses on one aspect of the deduction, the allocation and apportionment of expenses under the Sec. 861 regulations and the proposed Sec. 199 regulations