What's the difference between ascertain and assert?

Ascertain


Definition:

  • (v. t.) To render (a person) certain; to cause to feel certain; to make confident; to assure; to apprise.
  • (v. t.) To make (a thing) certain to the mind; to free from obscurity, doubt, or change; to make sure of; to fix; to determine.
  • (v. t.) To find out or learn for a certainty, by trial, examination, or experiment; to get to know; as, to ascertain the weight of a commodity, or the purity of a metal.

Example Sentences:

  • (1) We have investigated the effect of methimazole (MMI) on cell-mediated immunity and ascertained the mechanisms of immunosuppression produced by the drug.
  • (2) Prior to oral feeding, little or no ELA was detected in stools and endotoxinemia was ascertained in only six of 45 infants (13%).
  • (3) A total of 13 ascertainments of folate sensitive autosomal fragile sites is observed, of which 10q23 fragility appears to be the most frequent.
  • (4) A similar examination of the effects of PD was also carried out in vitro to ascertain whether PD itself or its metabolites are involved in its action.
  • (5) The purity and configuration of each isomer of the free acid and N-chloroacetylated derivative were ascertained by: (a) paper chromatography in five solvent systems, (b) elemental analysis, (c) Van Slyke nitrous acid determination of alpha-carbonyl carbon, and (d) Van Slyke ninhydrin determination of alpha-carbonyl carbon, and (e) optical rotation.
  • (6) In an anthropologic study of illness referral among Latin-American immigrants three phases were ascertained: First, there was extended use of self-treatment.
  • (7) In 20 adult patients with asthma, we evaluated bronchodilation to a single administration of metered-dose glycopyrrolate aerosol (GA) to ascertain its onset and duration of action along with evaluation of safety.
  • (8) 64% of the patients without nodular metastases and 45% of the patients with histologically ascertained nodular metastases and 45% of the patients with histologically ascertained nodular metastases survived the 3-year interval.
  • (9) The results indicated a very good comparability between the dot-blot assay and IF-tests, and this dot-blot method was ascertained as a simple and useful method for the scrub typhus serodiagnosis.
  • (10) Combinations of YM534 with other anti-cancer agents were examined to ascertain whether YM534 potentiated other anti-cancer agents against the KB cell line and its multidrug-resistant counterpart, VJ-300.
  • (11) Three experiments in person perception were conducted to investigate the conditions under which naive observers label an actor as aggressive and to ascertain how this label affects the reactions of the observers to the actor.
  • (12) This study was designed to ascertain the frequency of these problems in our RS patients, whether they were related to other clinical features of RS and what was the extent of the resulting disability.
  • (13) The nutritional requirements for optimal production of biologically active l-asparaginase by a strain of Escherichia coli have been ascertained.
  • (14) Fifty-seven strains of enterotoxigenic Escherichia coli isolated from humans and pigs and producing thermolabile (LT) enterotoxin were used to ascertain the efficiency of the Biken test compared to the passive immune haemolysis test (PIH), considered as very sensitive for detecting that enterotoxin.
  • (15) In the formation of the transformation index the difference between the two groups could be statistically ascertained.
  • (16) This was a highly significant (p less than 0.0001) predictor of 5-year total mortality, whose ascertainment was virtually complete.
  • (17) On the basis of segregating phenotypes, the genetic potentials of these compatible nocardiae were ascertained as follows: the formation of a diploid with subsequent segregation of parental or haploid recombinant genomes or both; persistence of the diploid through many generations; continuing reassortment of genetic information by multiple matings between parental or recombinant organisms; and, very probably, second-round recombinations within the diploid.
  • (18) Based on the ratio of plasma membrane marker enzyme activity determined in the nuclear preparation, the purity of the isolated nuclei was ascertained.
  • (19) The amount of free testosterone in the saliva was also ascertained for 23 of the subjects.
  • (20) In addition, re-analysis of previous investigations of the MAB underscores the importance of ascertaining the reading level of subjects prior to the administration of the MAB.

Assert


Definition:

  • (v. t.) To affirm; to declare with assurance, or plainly and strongly; to state positively; to aver; to asseverate.
  • (v. t.) To maintain; to defend.
  • (v. t.) To maintain or defend, as a cause or a claim, by words or measures; to vindicate a claim or title to; as, to assert our rights and liberties.

Example Sentences:

  • (1) Parents believed they should try to normalize their child's experiences, that interactions with health care professionals required negotiation and assertiveness, and that they needed some support person(s) outside of the family.
  • (2) Jeremy Corbyn could learn a lot from Ken Livingstone | Hugh Muir Read more High-minded commentators will say that self-respect – as well as Burke’s dictum that MPs are more than delegates – should be enough to make members under pressure assert their independence.
  • (3) There are many examples to support his assertion, yet for the most part, it is celebrities who dictate what images can be published and what stories should be told.
  • (4) Neither assertion was strictly accurate, but Obama was on a rhetorical roll.
  • (5) Successful treatment also requires the use of assertive case management, community support, family support, and careful patient education.
  • (6) The UN-recognised parliament is expected to meet on Monday for a vital vote of confidence in the new administration, the next step in asserting its authority in the country.
  • (7) Fields said: "The assertions that Tom Cruise likened making a movie to being at war in Afghanistan is a gross distortion of the record... What Tom said, laughingly, was that sometimes, 'That's what it feels like.'"
  • (8) Is it a moment where culture needs to assert its values?
  • (9) She described Luke as being “open, honest and assertive” during the interview.
  • (10) Individuals in the middle received relatively large amounts of assertive behavior.
  • (11) No differences were observed on the behavioral role plays, which required assertion in a number of heterosexual situations.
  • (12) Bill Shorten has told the union royal commission he would “never be a party to issuing bogus invoices” as he rejected assertions that payments from employers to the Australia Workers’ Union created conflicts of interest during wage negotiations.
  • (13) Hawking's latest comments go beyond those laid out in his 2010 book, The Grand Design , in which he asserted that there is no need for a creator to explain the existence of the universe.
  • (14) Sitting on his stony porch, Rao asserts that he is not being romantic about the benefits of agriculture: “Here we earn more than 120,000 rupees [£1,170] a year, and our cost of living is one-fifth that of a city’s.
  • (15) But Clegg also says he is not going to be cowed into taking Cameron's vow of silence about Farage's assertion that he finds Britain unrecognisable and is uncomfortable at the lack of English spoken on commuter trains out of Charing Cross.
  • (16) We assert that OCD and AVN are relatively common, clinically significant lesions of the mandibular condyle often associated with preexisting internal derangement of the temporomandibular joint.
  • (17) On the basis of the results of the research the Authors conclude by asserting that the combined use of mannitol and propanol has a real protective effect in preventing or attenuating lesions of the kidney caused by serious acute renal failure.
  • (18) Grade said he objected to Dyke's assertion in the Times that he used information about the BBC's schedule when he quit as chairman of the corporation in late 2006 to move to ITV.
  • (19) The ethnomedical model asserts that efforts to secure the compliance of target populations are likely to be inadequate without an alliance between health professionals and communities to identify and address mutually comprehensible objectives that are perceived locally as meaningful and relevant.
  • (20) Moreover, the heterogeneity of ES components questions the assertion of previous workers that the allergenic, IgE-potentiating, and protective activities of larval ES can be ascribed to one molecular species.