What's the difference between empirical and theoretical?

Empirical


Definition:

  • (a.) Pertaining to, or founded upon, experiment or experience; depending upon the observation of phenomena; versed in experiments.
  • (a.) Depending upon experience or observation alone, without due regard to science and theory; -- said especially of medical practice, remedies, etc.; wanting in science and deep insight; as, empiric skill, remedies.

Example Sentences:

  • (1) The issue of the Schizophrenia Bulletin is devoted to articles representing this full range of conceptual and empirical work on first-episode psychosis.
  • (2) The authors empirically studied the self-medication hypothesis of drug abuse by examining drug effects and motivation for drug use in 494 hospitalized drug abusers.
  • (3) It is time to start over with an approach to promoting wellbeing in foreign countries that is empirical rather than ideological.
  • (4) In later years, the church built a business empire that included the Washington Times newspaper, the New Yorker Hotel in Manhattan, Bridgeport University in Connecticut, as well as a hotel and a car plant in North Korea.
  • (5) Comparisons between predicted and observed results of studies using different coalition paradigms show considerable empirical support for the model.
  • (6) Though the concept of phase, known also as focus, is a very helpful notion, its empirical foundation is yet very weak.
  • (7) This empirical fact has in recent years been increasingly dealt with in pertinent German-language literature, the discussion clearly emphasizing the demand that programmes aimed at the vocational qualification of unemployed disabled persons be provided, along with accompanying measures.
  • (8) The current work utilizes an empirical relationship between HbO2 saturation measurements and reflected light oximetry, which is consistent with the two-flux theory of Kubelka and Munk (Z.
  • (9) Energy conformational calculations on these compounds were also carried out using the empirical energy program called MOLMEC, in order to better understand how the 4-R substituents modulate receptor binding affinities and efficacies.
  • (10) The resultant scales were administered to a small sample for preliminary empirical testing.
  • (11) We conclude that the concept of the limbic system cannot be accepted on empirical grounds.
  • (12) Based on a large, ongoing empirical research effort to determine factors associated with the successful community adjustment of troubled adolescents leaving residential treatment, this paper focuses on multiple indicators of success measured at multiple points of time in the treatment process.
  • (13) Given that patient preferences constitute a central concept within the framework of HRQL, further empirical evaluation of utility measures of preference is fundamental to improving the HRQL measurement tool-kit.
  • (14) The discovery of this vast tranche of documents has prompted historians to suggest that a major reappraisal of the end of Britain's empire will be required once these materials have been digested – a "hidden history" if ever there were one.
  • (15) The similarities in methods of intervention found in the work of investigators of very different theoretical persuasion raise the possibility that most treatment methods owe more to empirical clinical experience than to their presumed derivation from a theoretical model.
  • (16) This study is directed toward the empirical elaboration of four of these issues as they relate to adjustment in the community.
  • (17) The Assyrian Empire, though it did fluctuate in strength, had gone down finally over six hundred years before this scene is set.
  • (18) In addition to a detailed description of the method, examples for its applications are given, including concomitant investigations of the same cells by empirical staining, immunostaining, and fluorescence histochemistry of biogenic monoamines; colocalization of multiple peptides to the same cells and corresponding specificity controls; three-dimensional reconstructions based upon immunostained serial semithin sections; quantitative (computer-assisted) determinations of immunoreactivities.
  • (19) The purpose of this study was to test an empirically based prediction model of school dropout on a sample of 137 juvenile delinquents, some who have dropped out and some who have remained in school.
  • (20) Comparison with other pinch strength studies established that although force magnitudes may be strongly influenced by specific experimental conditions, empirical relationships among different pinch forces are fairly stable and predictable.

Theoretical


Definition:

  • (a.) Pertaining to theory; depending on, or confined to, theory or speculation; speculative; terminating in theory or speculation: not practical; as, theoretical learning; theoretic sciences.

Example Sentences:

  • (1) Models able to describe the events of cellular growth and division and the dynamics of cell populations are useful for the understanding of functional control mechanisms and for the theoretical support for automated analysis of flow cytometric data and of cell volume distributions.
  • (2) Theoretical findings on sterilization and disinfection measures are useless for the dental practice if their efficiency is put into question due to insufficient consideration of the special conditions of dental treatment.
  • (3) Theoretical computations are performed of the intercalative binding of the neocarzinostatin chromophore (NCS) with the double-stranded oligonucleotides d(CGCG)2, d(GCGC)2, d(TATA)2 and d(ATAT)2.
  • (4) From these data it is possible to predict theoretically the apparent temperature difference as seen by an infrared scanner or radiometer with a detector of which the spectral detectivity, D (lambda), is known.
  • (5) Reasonably good agreement is seen between theoretical apparent rate-vesicle concentration relationships and those measured experimentally.
  • (6) Theoretical objections have been raised to the use of He-O2 as treatment regimen.
  • (7) In addition to the phase diagrams reported here for these two binary mixtures, a brief theoretical discussion is given of other possible phase diagrams that may be appropriate to other lipid mixtures with particular consideration given to the problem of crystalline phases of different structures and the possible occurrence of second-order phase transitions in these mixtures.
  • (8) The problem-based system provides a unique integration of acquiring theoretical knowledge in the basic sciences through clinical problem solving which was highly rated in all analysed phases.
  • (9) To explain some of these results a theoretical model is presented to demonstrate that while short circuiting can block the passive ionic movement, it will cause an increase in the energy consumption of the system and introduce certain important changes in the ionic barriers and e.m.fs.
  • (10) It is theoretically possible that in patients with overt CHF, drug treatment may not alter prognosis.
  • (11) Starting from the hypothesis that a new type of cooperativity, dynamic cooperativity, is present in the elementary cycles of the chemo-mechanical conversion, quantitative and consistent agreement was obtained between the theoretical and experimental data on the temperature dependences of the streaming velocity and the ATPase activity, including the presence of the phase transition.
  • (12) Theoretical 13C NMR spectra for all possible structures of some linear polysaccharides were calculated by using additive scheme of glycosidation effects.
  • (13) administration the time for distribution in the body amounted to 8 h. The extrapolated initial concentrations in the equilibrium to distribution amounted to 0.68% of the administered dose in the plasma volume, and the theoretical volume of distribution was 5 times the body volume.
  • (14) Theoretically, a carbon-centered radical intermediate could be formed by 1-electron reduction of MPP+, or by 1-electron oxidation of 1-methyl-4-phenyl-1,2-dihydropyridine, the free base form of MPDP+.
  • (15) The author uses an eclectic theoretical frame of reference which includes some elements of psychodynamic, object relations, and structural and strategic family therapy theory.
  • (16) Survival ranged from 2 to 20 M, with a median survival time of 6 M. Tolerance to the subsequent CT, normal tissue reaction to accelerated RT, and the theoretical advantage of accelerated RT over conventional RT for SCCL were evaluated.
  • (17) Reduced mineral absorption is fairly well documented and has sound theoretical support from basic chemistry.
  • (18) Comparison of these theoretical results with variations in reabsorption observed in micropuncture studies makes it possible to place upper and lower bounds on the difference between interstitial oncotic and hydrostatic pressures in the renal cortex of the rat.
  • (19) How can the interaction between theoretical neuroscientists and their experimental counterparts be improved?
  • (20) The most substantial deviations between actual and theoretical osmolarity values occurred with the calcium chloride, sodium bicarbonate, potassium chloride and dextrose solutions.