Sentences with phrase «validity of data collection»

Thomson said his order prevents PED from enforcing its evaluation system until «a trial on the merits where the court can be assured of the statistical validity of the data collection and reporting that feeds into the system.»

The validity of the findings of Lewthwaite (2006) was strengthened through the use of multiple data sources and the inclusion of the reliability and validity of data collection measures.

Not exact matches

The conditions include accessibility and timeliness of data; perceived validity of data; staff capacity and support for considering data; time available to interpret and act on the data; partnerships with external organizations for analyzing and interpreting data; and tools for data collection and interpretation (procedures and instruments).

Both studies relied on multiple sources of data and triangulated data collection, supporting the validity of the findings.

The validity of the finding that instructional support by teacher leaders, including lesson planning, positively impacted student learning was supported by the use of control groups (Balfanz et al., 2006; Ruby, 2006; Weaver & Dick, 2009), the use of multiple sources of data (Balfanz et al., 2006; Ruby, 2006) and the inclusion of detailed description of data collection and analysis procedures (Balfanz et al., 2006; Ruby, 2006; Weaver & Dick, 2009).

Several of the studies summarized in this section included detailed descriptions of data collection strategies and triangulated information from multiple sources of data, increasing the confidence in the validity of these findings (Feldman and Tung, 2002; Heller & Firestone, 1995; Spillane & Camburn, 2006; Wettersten, 1994).

As with the simple matrix approach, the screening idea has the disadvantage of added complexity, but this is offset by lower costs; schools could achieve similar levels of validity while devoting less time and fewer resources to data collection.

«[T] he [pre-VAM] data collection process may unintentionally reduce the validity and credibility of value - added measures.»

The validity of the findings from Howe and Stubbs (2001) and Fanscali (2004) was not established, with threats arising from missing data that is not explained in analysis (Fanscali, 2004) and the absence of reports on the reliability of data collection (Howe and Stubbs, 2001; Fanscali, 2004).

Khourey - Bowers et al. (2005) and Keedy (1999) described several steps taken to strengthen the validity of the studies» findings, including the use of multiple forms of data collection to allow for triangulation in data analysis; they also provided detailed descriptions of the data analysis procedures.

To ensure accuracy, reliability and validity of data, standardised and pre-tested instruments guide data collection.

I have had two different statisticians give me totally opposite answers to the question of the validity of tests for certain data sets and on more than one occasion been told that either my data collection or analysis methods will depend on what I want to find out.

The only way I can see GCMs achieving any hope of validity is if a concentrated program is begun right now to develop a complete global network of data collection with adequate samples in each grid box to establish a reasonable measure of the weather dynamics.

While the use of an observational design to measure parent - child interactions has several advantages (e.g. ecological validity, qualitative data collection), it also bears some limitations.

A second data collection was performed to examine the criterion validity of the VAWI against the NorVold Abuse Questionnaire (NorAQ).23, 28 Statistics Sweden sent out the VAWI and NorAQ between November 2009 and January 2010 to 20 % (n = 92) of the respondents from the initial data collection.

Two reviewers will independently assess the suitability of the preference - based instruments for measuring outcomes in palliative care using the ISOQOL, minimum standards for patient - reported outcome measures (conceptual and measurement model, reliability, content validity, construct validity, responsiveness, interpretability of scores, translation of measure, patient and investigator burden), 43 and the CREATE checklist (descriptive system, health states values, sampling, preference data collection, study sample, modelling, scoring algorithm).44 The ISOQOL minimum standards were chosen as these standards were developed from a systematic review of published and unpublished guidance on patient - reported outcome measures, including the COnsensus - based Standards for the selection of health Measurement Instruments (COSMIN).46 To the authors» knowledge, the CREATE checklist is the only published guidance on what key components should be reported in a valuation study.44 Information on how the contents of the instruments were developed, psychometric properties and valuation will be used to assess the suitability of the instruments for the palliative setting; instruments will be scored on whether the domains or dimensions were developed using input from informal caregivers of people receiving palliative care (yes / no) and whether each of the reporting checklist items has been evaluated for this population (if yes, then a score of one will be allocated) and a total score calculated.

This section explains the questionnaire design, operational definitions and measures of variables in addition to the pretest and modification of the questionnaire, the empirical data collection and the reliability and validity of its various measures.

Most of the studies were rated as moderate in the data collection section with three studies being rated as strong, mainly due to robust reporting of the reliability and validity of the measures used.