Sentences with phrase «multiple subsequent studies»

And even studies that have been peer reviewed should be viewed with a certain amount of skepticism until they have been confirmed in multiple subsequent studies and stood the test of time.

Not exact matches

Four of the 6 studies found no relationship between diphtheria - tetanus - pertussis vaccination and subsequent SIDS, 316, — , 319 and results of the other 2 studies suggested a temporal relationship but only in specific subgroup analysis.320, 321 In 2003, the Institute of Medicine of the National Academy of Sciences reviewed available data and concluded that «[t] he evidence favors rejection of a causal relationship between exposure to multiple vaccinations and SIDS.»

Ko first cloned the human GT198 gene while a postdoctoral fellow at Harvard Medical School, and subsequent studies by her and others have shown it has multiple roles that also include regulating stem cells, cell suicide and turning other genes off and on.

As before, no primary hypothesis was specified, and no correction for multiple comparisons was made in what must be considered a subsequent analysis of the prior study (34).

We study the impact of providing school and child test scores on subsequent test scores, prices, and enrollment in markets with multiple public and private providers.

In a 1998 study, less than 8 % had developed stones again within a 4 year period (although a few cats developed new stones on multiple subsequent occasions).

Such sensitivity estimates have considerable uncertainty, as a subsequent assessment of multiple studies (Knutson et al. 2010) projected total increases by 2100 of about 2 - 11 % for tropical cyclone intensity, and roughly 20 % for near - storm rainfall rates.

Previous studies suggested that early childhood trauma can lead to an array of negative health outcomes and behaviors, including substance abuse, among both adolescents and adults.22 — 25 For example, childhood physical and sexual abuse has been shown to be associated with illegal drug use.26 — 28 Although these studies provide evidence that most substance abusers come from abusive homes, many of these studies have taken a «categorical» approach to examine the relationship between 1 or 2 forms of these childhood exposures and subsequent drug abuse; few studies have examined illicit drug use and abuse in relation to multiple disturbing or stressful childhood exposures.

Preliminary analyses were conducted to test for relations between demographic variables and study variables (HbA1c, adherence, and family functioning) for purposes of control in subsequent hierarchical multiple regression.