Sentence examples for based on item analysis from inspiring English sources

It was revised based on item analysis to include five fewer questions and minor question rewording.

In addition, the following item was dropped from the HTQ during validation based on item analysis: hopelessness.

Based on item analysis, the trauma symptoms on the locally validated HTQ, along with several additional local trauma symptoms (e.g., feeling that one is being watched), were used to create a trauma scale for determining eligibility for the study.

Based on item analysis, six local problems were added to the adapted HTQ items to form the trauma scale used to assess trial eligibility: loss of self-confidence; violence with the family; problems with social relationships; tense (easily provoked); losing trust in others; and, having the feeling that I am watched.

When it further can be concluded that the scale is meaningful (based on item analysis and association with external measures to assess its validity), and the assumption of measurement invariance across different subpopulations is tenable (Lubke et al. 2004), the approach effectively deals with non-normal distributions of sum scores in for instance psychopathology (Van den Oord et al. 2003).

Our results also indicate that the tool could be made even simpler, as suggested by Mbindyo et al., from 23 items to about 10 to 12 items based on item loadings on factor analysis [ 22].

Our item selection was based on an item analysis, in which items with an item difficulty outside the range of.20 asd.80 as well as items with discrimination indices less than.15 were removed.

The interval level was developed by Rasch analysis, based on item response theory [ 3].

A recent analysis based on item response theory shows that the reliability of the individual items is high across demographics, physical and mental health status, as well as across time [ 55].

Valderas et al. used Rasch analysis based on item response theory (IRT) to estimate the item difficulty – they utilized a score on the item at which 50% of respondents can do the activity without difficulty [ 10]. Figure 2 indicates the scores on the VF14 that correspond to 50% of respondents being able to perform the described activity, ranked by importance or level of difficulty.

This study investigates whether an analysis, based on Item Response Theory (IRT), can be used for initial evaluations of depression assessment instruments in a limited patient sample from an affective disorder outpatient clinic, with the aim to finding major advantages and deficiencies of the instruments.