Insufficient attention towards caregivers has resulted in the emergence of psychological and health complaints. Affliction tethers more towards spouses as compared to parents and females as compared to males. The role of sibling care givers was found to be no different from parents or spouses. Marital relationships were found to suffer the most, with the caregiver leaving the traumatic brain injury (TBI) patient in his time of need. The Brief Symptom Inventory (BSI) and family assessment device (FAD) predicted a correlation between patient variables and caregiver discontent. The Blacks/Hispanics proved to cope better with stress and their caregiver roles as compared to Whites. Time elapsed since the injury was found to relieve distress, while the surprising severity of the injury has no recorded impact. Social support or rather a lack of it has been seen to have an impact on family homeostasis, which can further be deteriorated by substance abuse by the patient. The therapeutic intervention found to be most advantageous was the D'Zurilla and Nezu social problem-solving model. Current evidence suggests that emphasis should be given on proper education and encouragement of caregivers before discharge of TBI patients from hospital to reduce the incidence of stressors. Additionally, counseling sessions should be led by professionally led support groups for dealing with psychological symptoms and peer-led group to eliminate social insecurities of caregivers.
Compaction characteristics of the soil have the great importance for practically achieving the desired strength, permeability and compressibility of soil during the construction. Standard compaction test (SCT) and modified compaction test (MCT) are two very famous laboratory test methods to determine the compaction characteristics of soils worldwide. Modest efforts have been made in the past to correlate the compaction parameters drawn from these two tests with each other. In the present study, authors are established the models to predict the modified compaction parameters (γ dmax(m) and w opt(m)) by using standard compaction parameters (γ dmax(s) and w opt(s)) or vice versa for the fine-grained soils. Such models can extricate from performing additional tedious and laborious compaction tests. Moreover, the effect of plasticity on the compaction parameters obtained using standard and modified effort is also discussed. Total 156 disturbed fine-grained soil samples were collected from different areas of Pakistan. The index properties tests and laboratory compaction tests were performed using these soil samples. On the basis of index properties tests, these soil samples were classified into different subgroups of fine-grained soil as per the Unified Soil Classification System. Relationships between the plasticity index (I P) and compaction parameters of both MCT and SCT were also accomplished. Out of 156 soil samples, test results of 126 samples are used to develop the correlations and test results data of 30 samples was used to validate the developed correlations. The percentage error in the correlation between γ dmax(m) and γ dmax(s) is observed to be only ± 0.4% and for the correlation between w opt(m) and w opt(s) the percentage error is observed to be ± 2.7%.
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