What's the difference between experiment and trial?

Experiment


Definition:

  • (n.) Atrial or special observation, made to confirm or disprove something doubtful; esp., one under conditions determined by the experimenter; an act or operation undertaken in order to discover some unknown principle or effect, or to test, establish, or illustrate some suggest or known truth; practical test; poof.
  • (n.) Experience.
  • (v. t.) To make experiment; to operate by test or trial; -- often with on, upon, or in, referring to the subject of an experiment; with, referring to the instrument; and by, referring to the means; as, to experiment upon electricity; he experimented in plowing with ponies, or by steam power.
  • (v. t.) To try; to know, perceive, or prove, by trial experience.

Example Sentences:

  • (1) However, this deficit was observed only when the sample-place preceded but not when it followed the interpolated visits (second experiment).
  • (2) Experience of pain is modified by intern and extern influences, and it can appear very multiformly in the chronicity.
  • (3) It was shown in experiments on four dogs by the conditioned method that the period of recovery of conditioned activity after one hour ether anaesthesia tested 7 to 7.5 days.
  • (4) The hemodynamic efficiency of the drive was tested in a number of in vivo experiments.
  • (5) The data from this experience as well as others previously reported can yield prognostic indicators of survival in cases of accidental hypothermia.
  • (6) In this paper, we show representative experiments illustrating some characteristics of the procedure which may have wide application in clinical microbiology.
  • (7) The transport of potassium ions through membranes of red blood cells was examined in in bitro experiments using a CMF of 4500 oersted.
  • (8) The analysis is based on the personal experience of the authors with 117 cases and the review of 223 cases published in the literature.
  • (9) Handing Greater Manchester’s £6bn health and social care budget over to the city’s combined authority is the most exciting experiment in local government and the health service in decades – but the risks are huge.
  • (10) We report a series of experiments designed to determine if agents and conditions that have been reported to alter sodium reabsorption, Na-K-ATPase activity or cellular structure in the rat distal nephron might also regulate the density or affinity of binding of 3H-metolazone to the putative thiazide receptor in the distal nephron.
  • (11) In animal experiments pharmacological properties of the low molecular weight heparin derivative CY 216 were determined.
  • (12) Experiments are proposed by which to test these and related hypotheses.
  • (13) This frees the student to experience the excitement and challenge of learning and the joy of helping people.
  • (14) These experiments indicated that there were significant differences between the early classical C system of mice and those of human and guinea pig.
  • (15) A modification of Mason's vertical banded gastroplasty for morbid obesity is presented, along with experience from 62 treated patients.
  • (16) The experiment was conducted on 3 groups of calves.
  • (17) In addition, control experiments with naloxone, ethanol, or cigarette smoking alone were performed.
  • (18) The concentrations of the drugs used in in vivo experiments did not affect the WBC counts in the peripheral blood of healthy mice.
  • (19) In experiments performed to determine whether PtdIns(4,5)P2 hydrolysis induced by TRH may have been caused by the elevation of [Ca2+]i, the following results were obtained: the effect of TRH to decrease the level of PtdIns(4,5)P2 was not reproduced by the calcium ionophore A23187 or by membrane depolarization with 50 mM K+; the calcium antagonist TMB-8 did not inhibit the TRH-induced decrease in PtdIns(4,5)P2; and, most importantly, inhibition by EGTA of the elevation of [Ca2+]i did not inhibit the TRH-induced decrease in PtdIns(4,5)P2.
  • (20) In our experience DSA is a safe, specific means of following postoperative grafts and diagnosing their occlusion.

Trial


Definition:

  • (n.) The act of trying or testing in any manner.
  • (n.) Any effort or exertion of strength for the purpose of ascertaining what can be done or effected.
  • (n.) The act of testing by experience; proof; test.
  • (n.) Examination by a test; experiment, as in chemistry, metallurgy, etc.
  • (n.) The state of being tried or tempted; exposure to suffering that tests strength, patience, faith, or the like; affliction or temptation that exercises and proves the graces or virtues of men.
  • (n.) That which tries or afflicts; that which harasses; that which tries the character or principles; that which tempts to evil; as, his child's conduct was a sore trial.
  • (n.) The formal examination of the matter in issue in a cause before a competent tribunal; the mode of determining a question of fact in a court of law; the examination, in legal form, of the facts in issue in a cause pending before a competent tribunal, for the purpose of determining such issue.

Example Sentences:

  • (1) A former Berlusconi aide, Valter Lavitola, is also on trial for being the alleged intermediary in the bribe.
  • (2) We have addressed the effect of late intensification with autologous bone marrow transplantation on SCLC through a randomized clinical trial.
  • (3) Clonazepam was added to the treatment of patients with poorly controlled epilepsy in a double-blind trial and an open trial.
  • (4) Currently, photodynamic therapy is under FDA-approved clinical investigational trials in the treatment of tumors of the skin, bronchus, esophagus, bladder, head and neck, and of gynecologic and ocular tumors.
  • (5) In the clinical trials in which there was complete substitution of fat-modified ruminant foods for conventional ruminant products the fall in serum cholesterol was approximately 10%.
  • (6) We report the results of a double-blind, placebo-controlled trial of acitretin (Soriatane) in 15 patients with moderate to severe psoriasis.
  • (7) A 24-h test trial employing a dry target demonstrated a robust memory for the training manifested in passive avoidance behavior.
  • (8) Statistically significant differences were found mainly in the randomized trial, where during the first and second years, respectively, adenoidectomy subjects had 47% and 37% less time with otitis media than control subjects and 28% and 35% fewer suppurative (acute) episodes than control subjects.
  • (9) Twenty volunteers were used for the measurement of pedal pressures for 15 trials during three separate sessions.
  • (10) A previous trial into the safety and feasibility of using bone marrow stem cells to treat MS, led by Neil Scolding, a clinical neuroscientist at Bristol University, was deemed a success last year.
  • (11) We are currently conducting a trial to compare the ability of DHPG administered plus an anti-CMV immune globulin preparation with acyclovir to prevent posttransplant TI-CMV disease.
  • (12) At the trial Arena admitted involvement in criminal activity, but insisted he was innocent of the murders.
  • (13) Recently reported unfavorable clinical results (i.e., a high incidence of pain) have led to the discontinuation of one trial of porous polyethylene.
  • (14) According to the experience of clinical trials the recommended ciprofloxacin dose varies between 100 and 500 mg b.i.d.
  • (15) Eighty micrograms of the topically active parasympatholytic drug ipratropium were applied intranasally four times daily in 20 adults with perennial rhinitis and severe watery rhinorrhoea in a double-blind controlled cross-over trial.
  • (16) A bouncy function has now been incorporated into a knee of the semi-automatic knee lock design in a pilot laboratory trial involving six patients.
  • (17) lengths with the subjects equally divided into these four groups: distributed trials, distributed sessions; distributed trials, massed sessions; massed trials, distributed sessions; and massed trials, massed sessions.
  • (18) A prospective randomized trial was conducted at Srinagarind and Khon Kaen hospitals.
  • (19) Of these, 41 were given a trial of sulfapyridine or dapsone, and six showed a significant response.
  • (20) The initiation of clinical trials should be a primary goal of gene therapy research programs.