Sentences with phrase «lack of structure factor»

Afterward, confirmatory factor analyses using the 11 items of the PNS - J as indicators were performed to examine whether the two - factor model — 4 items loaded on the Desire for Structure factor and the other 7 items loaded on the Response to Lack of Structure factor — fits the data better than the one - factor model.

Not exact matches

A host of factors, including the siting of structures on our waterways, lack of effective monitoring of our fuel dumps and the indiscriminate dumping of refuse into our drains conspired to cause that terrible disaster.

In 2005, the identification of an activating mutation in JAK2 (the V617F mutation) as a STAT5 - activating and disease - causing genetic alteration in a significant proportion of patients with myeloproliferative neoplasms (MPNs) has emphasized the oncogenic role of the JAK tyrosine kinases in hematologic malignancies.2 — 5 JAK2 is a member of the Janus tyrosine kinase family comprising three other mammalian non-receptor tyrosine kinases (JAK1, JAK3 and TYK2) that associate with cytokine receptors lacking intrinsic kinase activity to mediate cytokine - induced signal transduction and activation of STAT transcription factors.6 All JAKs share a similar protein structure and contain a tyrosine kinase domain at the C - terminus flanked by a catalytically inactive pseudokinase domain with kinase - regulatory activity, by an atypical SH2 domain and by a FERM domain that mediates association to the membrane - proximal region of the cytokine receptors.7, 8 Soon after the discovery of JAK2 V617F, we and others described that activating JAK1 mutations are relatively common in adult patients with T - cell acute lymphoblastic leukemia (ALL) and participate in ALL development allowing for constitutive activation of STAT5.9 — 11 Several STAT5 - activating JAK1 mutations were also reported in AML and breast cancer patients.10

«Teacher identities and professional histories; departmental structures; differentiated roles, such as reading specialists and literacy coaches; lack of teacher preparation to teach literacy skills; arguments over whose responsibility literacy instruction is; competing factors such as motivation and engagement; disparities between in - and out - of - school literacy practices; and the increasing demands of reading to learn all contribute to the stagnation in literacy achievement,» he says.

«anti-rural factors» — lack of evaporative cooling from soil and plants, lack of plant cooling, increased thermal conductivity and capacity from artificial structures, faster water runoff and sequestration in cities

And while I was once again wowed by technology, I came away persuaded that it is the legal structure of our system that is our industry's limiting factor — not the lack of killer apps.

The total score ranges from 30 to 120, with a higher score indicating greater impulsivity.21 The 25 items of the Chinese version of the BIS - 11 have demonstrated good overall internal consistency in Taiwanese adolescents, with a Cronbach's α of 0.834.19 The factor structure of the Chinese version of the BIS - 11 consists of three factors: «inability to plan», «lack of self - control» and «novelty seeking».

In the two - factor model, items were randomly assigned to 3 parcels within each of the Desire for Structure and the Response to Lack of Structure subscales as displayed in Figure 1.

Only one study [12] contained a factor analysis that revealed the six factor structure of the Turkish W - DEQ version B (concerns about pain, lack of positive behaviours, loneliness, lack of positive feelings, concerns about childbirth and concerns about the baby)[1].

Many of the scales demonstrated weak psychometrics in at least one of the following ways: (a) lack of psychometric data [i.e., reliability and / or validity; e.g., HFQ, MASC, PBS, Social Adjustment Scale - Self - Report (SAS - SR) and all perceived self - esteem and self - concept scales], (b) items that fall on more than one subscale (e.g., CBCL - 1991 version), (c) low alpha coefficients (e.g., below.60) for some subscales, which calls into question the utility of using these subscales in research and clinical work (e.g., HFQ, MMPI - A, CBCL - 1991 version, BASC, PSPCSAYC), (d) high correlations between subscales (e.g., PANAS - C), (e) lack of clarity regarding clinically - relevant cut - off scores, yielding high false positive and false negative rates (e.g., CES - D, CDI) and an inability to distinguish between minor (i.e., subclinical) and major (i.e., clinical) «cases» of a disorder (e.g., depression; CDI, BDI), (f) lack of correspondence between items and DSM criteria (e.g., CBCL - 1991 version, CDI, BDI, CES - D, (g) a factor structure that lacks clarity across studies (e.g., PSPCSAYC, CASI; although the factor structure is often difficult to assess in studies of pediatric populations, given the small sample sizes), (h) low inter-rater reliability for interview and observational methods (e.g., CGAS), (i) low correlations between respondents such as child, parent, teacher [e.g., BASC, PSPCSAYC, CSI, FSSC - R, SCARED, Connors Ratings Scales - Revised (CRS - R)-RSB-, (j) the inclusion of somatic or physical symptom items on mental health subscales (e.g., CBCL), which is a problem when conducting studies of children with pediatric physical conditions because physical symptoms may be a feature of the condition rather than an indicator of a mental health problem, (k) high correlations with measures of social desirability, which is particularly problematic for the self - related rating scales and for child - report scales more generally, and (l) content validity problems (e.g., the RCMAS is a measure of anxiety, but contains items that tap mood, attention, peer interactions, and impulsivity).

However, most researchers use the W - DEQ version B without examining its factor structure because they consider that the psychometric structure of version A and B is homogenous (fear, lack of anticipation, isolation and riskiness) due to the items being identical [1][11].

Lack of structure or parental supervision, inconsistent discipline practices, and exposure to abuse or community violence have also been identified as factors which may contribute to the development of ODD.

Financial deprivation and lack of structured time were the strongest factors negatively related to life satisfaction in both partnered and single people.

At the same time, given culture - specific factors including the authoritative communist political structure and restricted educational opportunities (Fong 2006), it is likely that vulnerability factors such as a lack of perceived control regarding the self, world, and future underscores vulnerability to depression.