What's the difference between bias and preconception?

Bias


Definition:

  • (n.) A weight on the side of the ball used in the game of bowls, or a tendency imparted to the ball, which turns it from a straight line.
  • (n.) A leaning of the mind; propensity or prepossession toward an object or view, not leaving the mind indifferent; bent; inclination.
  • (n.) A wedge-shaped piece of cloth taken out of a garment (as the waist of a dress) to diminish its circumference.
  • (n.) A slant; a diagonal; as, to cut cloth on the bias.
  • (a.) Inclined to one side; swelled on one side.
  • (a.) Cut slanting or diagonally, as cloth.
  • (adv.) In a slanting manner; crosswise; obliquely; diagonally; as, to cut cloth bias.
  • (v. t.) To incline to one side; to give a particular direction to; to influence; to prejudice; to prepossess.

Example Sentences:

  • (1) Such a decrease significantly biased survival (p = 0.001).
  • (2) Even though attempts to generalize the data from childbearing women to women of childbearing age have an inherent conservative bias, the results of our study suggest that 988 women (95% CI 713 to 1336) aged 15 to 44 years in Quebec had HIV infection in 1989.
  • (3) These deficiencies in the data compromise HIV surveillance based on diagnostic testing, and supplementary bias-free data are needed.
  • (4) In addition, despite the fact that the differences constitutes an information bias, the bias occurs in the same direction and magnitude in all the various subgroups and thus is nondifferential.
  • (5) However, each of the studies had numerous methodological flaws which biased their results against finding a relationship: either their outcome measures had questionable validity, their research designs were inappropriate, or the statistical analyses were poorly conceived.
  • (6) Methods to minimize bias in the design and implementation of consultation-liaison research are suggested.
  • (7) Results were inconsistent with both the feature detector fatigue and response bias hypothesis.
  • (8) Special conditions apply for the scoring of a first and a last bone stage in a sequence, which will introduce less bias in the estimation of individual skeletal maturity with the MAT-method than with the TW-method.
  • (9) The greater use of health services for female children probably accounts for the female-biased sex ratio among the Mukogodo.
  • (10) The possibility that selective bias or unmeasured environmental differences might explain the difference in BP between the two groups is discussed.
  • (11) In Study 4, attributional biases and deficits were found to be positively correlated with the rate of reactive aggression (but not proactive aggression) displayed in free play with peers (N = 127).
  • (12) Significant biases in the distribution of cases of babesiosis were found with regard to season (P < 0,05), sex (P < 0,001) and coat colour (P < 0.01).
  • (13) This suggests that monitoring heart rate during limited portions of the day will provide a biased estimate of overall heart rate.
  • (14) Analogous biases and solutions apply to other sampling problems in health services research.
  • (15) Only eye position proved statistically significant; straight-ahead eye position induced more bias than did fixation of the visual stimulus.
  • (16) A model was investigated which simulated choices one may have between disease classification tests, to determine how the required sample size and bias in the estimates of the risk ratio and risk difference varied between tests.
  • (17) Paradigm relies heavily on social science research and analysis to help companies identify and address the specific barriers and unconscious biases that might be affecting their diversity efforts: things like anonymizing resumes so that employers can’t tell a candidate’s gender or ethnicity, or modifying a salary negotiation process that places women and minorities at a disadvantage.
  • (18) We confirm that sera from patients on intravenous therapy with lidocaine exhibit a positive bias in results for creatinine but that lidocaine itself does not interfere.
  • (19) We discuss advantages and disadvantages of total randomization, of Zelen-type randomization procedures, of Efron-type procedures vs more classical blocking procedures to control the balance between groups, and of Simon-Pocock-type procedures vs more classical stratification for controlling possible biases in prognostic factors.
  • (20) (4) R(XY)(t,tau) is a biased estimator of the shape of h(t), generally over-estimating both its time to peak and its rise time.

Preconception


Definition:

  • (n.) The act of preconceiving; conception or opinion previously formed.

Example Sentences:

  • (1) Sixty-four per cent were infants of gestational diabetic (IGDM) and 36% of preconceptional diabetic mothers (IPDM).
  • (2) A sensitive evaluation of nutritional status in preconceptional period seems to be a positive strategy for prevention of at risk pregnancies.
  • (3) This would suggest the probable advantage of breast-feeding promotion based on woman-to-woman contact during preconception and antepartum periods; such a program might be particularly effective with women of lower educational levels.
  • (4) Thus, the preconceptional counseling is indispensable, and it should ensure that an epileptic embark upon a pregnancy with her epilepsy well controlled by a minimal dose of AEDs, and adequate answers to the questions raised by the patient should be given to prevent a poor compliance.
  • (5) Information about preconceptional sexual habits and contraceptive measures was obtained from 83 selected primigravid patients.
  • (6) Patients suffer irrational fears of damage and death because of erroneous preconceptions of radiation which doctors fail to correct.
  • (7) It was an isolated show of anti-World Cup sentiment at a tournament that left many European visitors ashamed of their preconceptions about crime and social disorder.
  • (8) Exercise therapy should be explored as an additional means to maintain normoglycemia, preconceptionally as well as throughout pregnancy.
  • (9) Our data suggests that subjects with any degree of glucose intolerance in pregnancy should be managed as carefully as established diabetics and preconception counselling for high risk groups may be beneficial.
  • (10) The infants of women with total gestational weight gain below 9 kg have the mean birth weight always lower than those of women with weight gain more than 9 kg in all three categories of preconceptional relative weight (i.e.
  • (11) In 1949, Saul Bellow went to a cocktail party hosted by Cyril Connolly, and found his preconceptions of literary England being undermined: “Although I don’t judge the inverted with harshness, still it is rather difficult to go to London thinking of Dickens and Hardy to say nothing of Milton and Marx and land in the midst of fairies.” Most of the people I’ve mentioned were living their lives more or less openly.
  • (12) The acquisition of data by this verbal process is a clinically sophisticated and difficult medical procedure and a major source of error is the bias or preconception that a clinician brings to his observations.
  • (13) In families with the risk of cleft lip and palate at the Clinic of Plastic Surgery in Prague a preconception and prenatal protective regime (planned conception) is ensured.
  • (14) Restriction of rats to 50% of preconception feed intake during the first 2 wk of gestation was associated with higher body weight of the progeny at 21 wk postpartum than was ad libitum feeding throughout gestation.
  • (15) Data collected preconception and from those who did not conceive within 1 yr were used for control subjects.
  • (16) Doing the research from the point of view of Latvia and Lithuania (our countries) has blown away my student's preconceptions of the subject.
  • (17) During the preconception period almost one third did not attend any medical examination.
  • (18) In acquiring psychoanalytic ideas, psychotherapy trainees are often hampered by preconceptions about what constitutes a psychoanalytic perspective.
  • (19) A matched case-control study of retinoblastoma was conducted by the Children's Cancer Study Group (CCSG) to investigate the hypotheses that postconception exposures affect the risk of the nonheritable (post-zygotic origin) form of this disease and that preconception exposures affect the risk of the sporadic heritable (prezygotic origin) form.
  • (20) Five IDD patients achieved strict preconception glycemic control and then underwent nine IVF-ET cycles.