What's the difference between confound and frustrate?

Confound


Definition:

  • (v. t.) To mingle and blend, so that different elements can not be distinguished; to confuse.
  • (v. t.) To mistake for another; to identify falsely.
  • (v. t.) To throw into confusion or disorder; to perplex; to strike with amazement; to dismay.
  • (v. t.) To destroy; to ruin; to waste.

Example Sentences:

  • (1) Previous studies have not always controlled for socioeconomic status (SES) of mothers or other potential confounders such as gestational age or birthweight of infants.
  • (2) Displacing potencies for dopamine in the nanomolar range are associated with agonist-specific D-3 receptor binding and it is predicted that the component of D-2 binding with high agonist affinity may play a confounding role in many D-3 receptor studies.
  • (3) Frequently, however, only incomplete data on confounders can be obtained from sources such as next-of-kin or co-workers.
  • (4) Among all subgroups, the odds ratios adjusted for pertinent confounders and interactions fluctuated randomly by about 0.9 and showed no consistent trend with increased alcohol consumption.
  • (5) The possibility of applying Signal Detection Theory (SDT) to gustation was investigated by testing the effect of three variables--smoking, signal probability, and food intake (confounded with time of day)--on the taste sensitivity to sucrose of 24 male and 24 female Ss.
  • (6) They also include difficulties peculiar to the condition of mild mental retardation, including the choice of method of classification whether by IQ testing or administratively; the heterogeneous nature of the individuals so characterised; and the confounding effects of social and biological factors and the changes in the implications for the affected individual of the condition, depending on age, sex and environment.
  • (7) Practitioners must be aware of the potential for interactions between (and confounding by) commercially used feed components.
  • (8) A weakness was in not including confounding factors such as social class and the lack of detailed questions on topics.
  • (9) In practice, confounding by factors related to exposure opportunity is common.
  • (10) By using a national sample we ensured that the influence of regional variations in the configuration of long-term care services would not confound estimates of the relative effect of client-related factors.
  • (11) The independent effects of separation and display size, which were confounded in the Sagi and Julesz experiments, were examined.
  • (12) In particular, it is shown that adjustment for a misclassified confounding variable can be greatly improved by using the methods presented.
  • (13) Possible confounding effects of missing data, institutionalization prior to adoption, information given to adoptive parents by the adoption agencies about the child's biological background, historical period, perinatal factors, and selective placement were considered.
  • (14) I argue that (a) the procedures they used to study confounding were suboptimal because multiple measures of depression and catastrophizing were not employed and (b) the distinctiveness of constructs might better be regarded as a continuous rather than all-or-none (having adequate discriminant validity versus being confounded) concept.
  • (15) The observed relation between physical activity and colon cancer was not confounded by dietary intake of calories, fat, or protein, nor was the diet and colon cancer relation confounded by physical activity (odds ratios for calories, protein, and fat in males were 2.40, 2.57, and 2.18, respectively).
  • (16) It is this "multiple system failure" that compounds the effects of large scale events and confounds emergency response.
  • (17) To control for possible confounding variables, the authors repeated the analyses after stratifying by demographic and diagnostic variables that were distributed differently among men and women.
  • (18) Some recent reports implicate marijuana smoking as a cause of cancer of the upper aerodigestive tract, though most of the subjects were exposed to other, possibly confounding, etiologic factors, namely tobacco and alcohol.
  • (19) With the use of the logistic regression method, an adjusted OR was obtained after controlling various confounders.
  • (20) The purpose of this study was to examine the association between maternal caffeine consumption and low birthweight, intrauterine growth retardation, and prematurity, adjusting for multiple confounders.

Frustrate


Definition:

  • (a.) Vain; ineffectual; useless; unprofitable; null; voil; nugatory; of no effect.
  • (v. t.) To bring to nothing; to prevent from attaining a purpose; to disappoint; to defeat; to baffle; as, to frustrate a plan, design, or attempt; to frustrate the will or purpose.
  • (v. t.) To make null; to nullifly; to render invalid or of no effect; as, to frustrate a conveyance or deed.

Example Sentences:

  • (1) Michael Schumacher’s manager hopes F1 champion ‘will be here again one day’ Read more Last year, Red Bull were frustrated by Mercedes, Ferrari and Honda as they desperately looked for a new engine supplier.
  • (2) He had been extremely frustrated that indicators of economic recovery over the past few days had been drowned out by the clamour over the Labour leadership.
  • (3) Gallic wine sales in the UK have been tumbling for the past 20 years, but the news that France, once the largest exporter to these shores, has slipped behind Australia, the United States, Italy and now South Africa will have producers gnawing their knuckles in frustration.
  • (4) The pattern of results is consistent with a role for the dorsal bundle in attentional processes but appears to contradict the predictions required if the dorsal bundle were to have a role in frustrative nonreward.
  • (5) The former Stoke City manager Pulis had reportedly been left frustrated by the club failing to push through deals for various players he targeted to strengthen the Palace squad.
  • (6) At the weekend the couple’s daughter, Holly Graham, 29, expressed frustration at the lack of information coming from the Foreign Office and the tour operator that her parents travelled with.
  • (7) Conclusion 1 says that "deliberate attempts were made to frustrate these interviews" – which appears to be an exaggeration.
  • (8) It is deeply moving hearing him talk now – as if from the grave – about a Christmas Day when he felt so frustrated and cut-off from his family that he had to go into the office to escape.
  • (9) "It's immensely frustrating and I've got to the point now where I can't do internships," he said.
  • (10) The announcement comes amid mounting frustration in the international community over Israel’s continued settlement activity, regarded by many countries as illegal.
  • (11) Hinton-Teoh says: “People are frustrated because it’s taken so long, there’s a valid frustration of the laboured nature of achieving marriage equality.
  • (12) In many ways, perhaps, but it also must be hugely frustrating for Arsenal’s followers that their team waited until the second leg before reminding us of their qualities.
  • (13) It frustrates customers, eats up their data allowance and can jeopardise their privacy.
  • (14) These results support Frankl's theory that sexual frustration may be a manifestation of a more general existential frustration.
  • (15) Manchester City frustrated by Everton and Sterling’s late penalty claim Read more More than anyone, Giroud took the game to Liverpool.
  • (16) His normally excellent first touch often let him down and he grew frustrated with the constant attention he received from his Colombian markers.
  • (17) Are we moving from a culture where MPs stayed in parliament until booted out, to one where many do five years and move on, frustrated and exhausted?
  • (18) Though the exercises have given the US a chance to vent its frustration at what appears to be state-sponsored espionage and theft on an industrial scale, China has been belligerent.
  • (19) In the not too distant past, veterinarians, frustrated by lack of technical competence, ignored the emotional needs of clients.
  • (20) Troh, a 54-year-old nursing assistant, issued a statement on Wednesday that said: “I trust a thorough examination will take place regarding all aspects of his care … I am now dealing with the sorrow and anger that his son was not able to see him before he died.” That appeared to be a reference to frustration at the hospital’s initial failure to diagnose him correctly, and a delay of several days before they treated him with experimental drugs.