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Dwa argumenty za opcją odpowiedzi Nie-wiem oprócz opcji Tak/Nie w anonimowych testach zrozumienia zależności przyczynowo-skutkowych

100%
Chmiel I.
Rocznik Kognitywistyczny
|
2011
|
vol. 5
11-17
EN
In the experiment we examined the behaviour of the participants at the two seemingly equivalent decision situations. At the first situation the participants, aimed to avoid a decisive answer, can only refuse at all, neither Yes nor No. But at the second situation they can choose an additional option I-don’t-know. It was proved that, even in the anonymous survey, the same participants tried to guess the proper Yes or No answers, signifi cantly more oft en at the fi rst situation than at the second one. Th erefore, the option I-don’t-know creates the better opportunity to obtain unbiased information. Th en, the observed relationship between the proportion of Yes versus No answers and the frequency of the I-don’t-know answers gives an additional insight into reliability of the obtained data.
2

The Center for Epidemiologic Studies Depression Scale (CES-D): Is It Suitable for Use with Older Adults?

63%
Górkiewicz M., Chmiel I.
Studies in Logic, Grammar and Rhetoric
|
2015
|
vol. 43
|
issue 1
229-243
EN
With the aim of verifying the suitability of the CES-D scale for use in long-term care institutions for older adults, the CES-D questionnaire was used to collect patient-reported assessments, and two well-known psychometric instruments – the Hospital Anxiety and Depression Scale (HADS) and the Barthel Index of Abilities of Daily Living – were used to collect nurse-reported assessments, based on observations of patients’ behaviours. With regard to possible frequent cases of cognitive impairment and/or insufficient motivation to give sensible responses to CES-D questions, the patient-reported responses were collected from patients during one-on-one sessions with a nurse. The reliability, concurrent validity, and the trustworthiness of the obtained data were supported with proper values of the Cronbach’s alpha coefficient, 0.70 < alpha < 0.85, with significant correlation between CES-D and HADS-Depression, R = 0.50, p < 0.001, and with significant correlation between scores of particular CES-D items vs. final CES-D evaluations of depression, proved by significance p < 0.001 for 18 of 20 CES-D items. These findings supported the effectiveness of the one-on-one session methodology in questionnaire surveys for older adults. The postulation that cases of self-reported depression included somewhat different information about the patient than nurse-reported depression concerning the same patient was supported with the evidence that, in spite of the significant correlation between the Barthel Index and HADS-Depression, R = −0.17, p = 0.016, and in spite of the significant correlation between CES-D and HADS-Depression, the correlation between the Barthel Index and CES-D, equal to R = −0.08 was insignificant at p = 0.244. The findings of this study, considered jointly, support the valuableness of the CES-D scale for use in one-on-one surveys for older adults.
3

Multi-criteria Ranking Under Pareto Inclusive Criterion of Preference: An Application in Ranking Some Fungi Species with Respect to Their Toxicity

51%
Gniadek A., Chmiel I., Górkiewicz M.
Studies in Logic, Grammar and Rhetoric
|
2014
|
vol. 39
|
issue 1
43-52
EN
This study aims at demonstrating the usefulness of the Pareto in- clusive criterion methodology for comparative analyses of fungi toxicity. The toxicity of fungi is usually measured using a scale of several ranks. In practice, the ranks of toxicity are routinely grouped into only four conventional classes of toxicity: from a class of no toxicity, low toxicity, and moderate toxicity, to a class of high toxicity. The illustrative material included the N = 61 fungi samples obtained from three species: A. ochraceus, A. niger and A. flavus. In accordance with the Pareto approach, four partial criterions of the worst toxi- city were defined, a single criterion used for each conventional class of toxicity. Finally, the odds ratios (OR) were calculated separately for each partial cri- terion, and the significance of the hypotheses OR = 1 was estimated. It was stated that A. ochraceus fungi are distinctly more toxic than the two remaining ones with respect to the all considered four partial criterions, with significance equal to p = 0.04, p = 0.04, p = 0.007 and p = 0.005, respectively. Thus, the suggested method illustrated its utility in the case under study.
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