Sentences with phrase «lack of a control group for»

Not exact matches

For example, the anxious group read sentences like «safety is not guaranteed in our neighborhoods nor in our own homes,» which was intended to highlight the «lack of control over negative circumstances that may happen in life and an uncertain future,» according to the study.
Although billions of dollars are being expended annually on family planning services in less - developed countries, and such programs have been promoted by various governments at the national level for four decades, there are only a few studies that have attempted to measure the demographic and health impact of family planning against a «control group» — a similar area which lacks the service.
And the lack of oversight created by «freedom» means that, as with academies, groups with a non-educational agenda could gain control of free schools for their own purposes.
Promising results from the new trial would be a major step forward for a field that has long been criticized for studies that are poorly designed, incomplete or lack control - group comparisons, as well as for the peddling of unproved therapies in many clinics worldwide.
In addition to looking for potential drugs and drug targets to control infection, the group is also addressing a major hurdle in controlling TB, which is the lack of accurate biomarkers that can predict granuloma activation.
The previously reported lack of difference in survival between control and restricted groups for older - onset monkeys within NIA emerges as beneficial differences when compared to the UW — Madison data.
A cosmetics industry representative interviewed for this story pointed out that the EWG report «lacks many of the rigors that you would normally associate with a real scientific report,» such as a large study population and control or placebo groups.
Dick Shultz makes some interesting comments about our study, the main criticism apparently being the lack of a comparison group, and Dick makes some suggestions for how alternative «controls» could have been created.
According to that review of the non-profit group's financial statements and accounting records numerous concerns emerged such as: non-disclosure of transactions; failure to maintain required reserves; failure to appropriately apply accrual basis of accounting; insufficient monitoring of cash receipts and deposits process; insufficient documentation for disbursements; a lack of control over journal entries, and lack of adequate training for the accounting staff.
For these reasons it is impossible to determine the impact of the intervention on Year 9 attainment or attitudes compared with the control group, or to assess whether problems with implementation contributed to the lack of positive impact.
The lack of touch pad implementation is surprising as the Vita's touch screen control scheme was pretty much perfected as it saw the cursor being replaced with icons and consisted of tapping on an icon to perform a particular action, interact with an object, start a conversation with a person in your group or to choose a response in a conversation, while dragging your finger around the touch screen would move Clementine around cover or exploring the environment as you search for supplies and people, so it is difficult to understand why such functionality could not have made the transition from the Vita to the DualShock 4 controller.
Limitations include the lack of a control group and the use of only one measure, especially one with the potential for self - report biasing.
Limitations include the lack of a control group, the self - report nature of the measures, and the fact that follow - up data were available for only about 10 % of the participants with pre-post data.
Similarly, the size of between - group differences in depressive symptoms may vary between studies that used groups matched on sociodemographic variables and studies that did not control for these between - group differences, because the lack of control for demographic variables may cause unsystematic bias rather than a general overestimation or underestimation of between - group differences in depressive symptoms.
A lack of differences between the COPE and control group mothers with respect to state anxiety and negative mood state during hospitalization may be attributable to the fact that the length of hospital stay for this full - scale clinical trial was approximately one - half of that in our pilot study.6 There might not have been enough time to demonstrate the positive effects of the COPE program on maternal anxiety and mood state during the short course of hospitalization in this trial.
Because the lack of significant effect size on the CDI may indicate that this measure might not be sensitive for depressive symptoms of young people with chronic illnesses, we also checked whether the results would be consistent in studies that compared children with chronic illness to test norms and to healthy control groups.
However, for both child abuse and parent stress, the average effect sizes were not different from zero, suggesting a lack of evidence for effects in these areas.108 Earlier meta - analytic reviews have also noted the lack of sizable effects in preventing child maltreatment — again citing the different intensity of surveillance of families in the treatment versus control groups as an explanation (though the authors did report that home visiting was associated with an approximately 25 percent reduction in the rate of childhood injuries).109 Another review focusing on the quality of the home environment also found evidence for a significant overall effect of home - visiting programs.110 More recently, Harriet MacMillan and colleagues published a review of interventions to prevent child maltreatment, and identified the Nurse - Family Partnership and Early Start programs as the most effective with regard to preventing maltreatment and childhood injuries.
Limitations include the lack of a control group, the small sample size, and difficulties collecting the saliva samples for the cortisol tests.
Limitations include the lack of a control group at the 3 - month and 2 - year postintervention follow - ups and the small sample size for a study involving three groups.
Limitations include the lack of a comparison or control group, the limited data collected at postintervention follow - up, and concerns regarding the use of standardized measures that were not designed for parents with intellectual disabilities.
Limitations include the lack of a control group and low rates of completion for the entire curriculum.
Limitations include small sample size, may not generalize to all veterans presenting for PTSD treatment in the VA system, or to veterans in general, and lack of control group.
Given poor robustness of t - tests with very different group sizes, we used t ′ assuming lack of homogeneity of variance; control analysis was tested with general linear model (GLM) controlling for age, depressive symptoms, and self - rated health (df = 1).
Overall, children with deviant eating behavior reported higher perceived parental control [2.82 (0.79) vs. 2.52 (0.74)-RSB- than children with normal eating behavior, t = − 3.81, df = 366, p <.001, d =.39, slightly less perceived confidence [3.18 (0.51) vs. 3.31 (0.43)-RSB-, t = 2.52, df = 366, p =.012, d =.27, and higher conflict / rejection [1.99 (0.61) vs. 1.60 (0.49)-RSB-, t = − 6.80, df = 366, p <.001, d =.68, while no group differences were apparent for the care and lack of limitations subscales.
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