Validity and reliability of the Japanese version of the Therapeutic Factors Inventory–19 : A study of family peer education self-help groups

Kageyama, Masako; Nakamura, Yukako; Kobayashi,  Sayaka; Yokoyama, Keiko

doi:info:doi/10.1111/jjns.12098

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タイトル	Validity and reliability of the Japanese version of the Therapeutic Factors Inventory–19 : A study of family peer education self-help groups
著者	Kageyama, Masako Kageyama, Masako
	Nakamura, Yukako Nakamura, Yukako
	Kobayashi, Sayaka Kobayashi, Sayaka
	Yokoyama, Keiko Yokoyama, Keiko
キーワード等	group processes
	group psychotherapy
	process assessment
	reliability and validity
	self-help groups
内容	This is the peer reviewed version of the following article: Kageyama, M., Nakamura, Y., Kobayashi, S. and Yokoyama, K. (2016), Therapeutic Factors Inventory–19. Japan Journal of Nursing Science, 13: 135-146. doi:10.1111/jjns.12098, which has been published in final form at https://doi.org/10.1111/jjns.12098. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Use of Self-Archived Versions.
抄録	Aim: Therapeutic factors are crucial mechanisms that promote change in self-help group members. Measuring therapeutic factors may improve practitioners’ skills for assessment in whole-group contexts. The present authors, therefore, examined the validity and reliability of a Japanese version of the Therapeutic Factors Inventory–19. Methods: The Therapeutic Factors Inventory–19 was examined using a self-report questionnaire completed by members of 38 family peer education self-help groups. The instrument measured the following four factors: instillation of hope, secure emotional expression, awareness of relational impact, and social learning. Results: Participants were 246 group members. Test–retest reliability was analyzed using data from 46 participants. Confirmatory factor analysis showed a goodness of fit of 0.85 and a root mean square error of approximation of 0.088. Multitrait scaling analyses showed that items for instillation of hope and secure emotional expression factors correlated higher with their own factors than other factors. Each factor and the total average of the 19 items were significantly correlated with the Group Benefit Scale and Client Satisfaction Questionnaire. When level of interaction with other members was higher, subjects perceived a stronger presence of therapeutic factors. The intraclass correlation coefficients of each factor at a week interval were 0.848–0.915. Cronbach’s alpha of each factor and all items ranged 0.767–0.960. Conclusion: In the case of family peer education self-help groups, there is acceptable validity and reliability for the average score of all items, and for the instillation of hope and secure emotional expression factors. However, more work is needed to increase the generalizability.
公開者	Japan Academy of Nursing Science
掲載誌名	Japan Journal of Nursing Science
巻	13
号	1
開始ページ	135
終了ページ	146
刊行年月	2015-12-02
ISSN	17427932
pmid	26630352
NCID	AA12141366
DOI (出版社版)	info:doi/10.1111/jjns.12098
URL	http://hdl.handle.net/11094/75871
言語	英語
カテゴリ	学術雑誌論文 Journal Article

著者版フラグ	author
NII資源タイプ	学術雑誌論文
ローカル資源タイプ	学術雑誌論文
dcmi資源タイプ	text
DCTERMS.bibliographicCitation	Japan Journal of Nursing Science.13(1) P.135-P.146
DC.title	Validity and reliability of the Japanese version of the Therapeutic Factors Inventory–19 : A study of family peer education self-help groups
DC.creator	Kageyama, Masako
	Nakamura, Yukako
	Kobayashi, Sayaka
	Yokoyama, Keiko
DC.publisher	Japan Academy of Nursing Science
DC.language" scheme="DCTERMS.RFC1766	英語
DCTERMS.issued" scheme="DCTERMS.W3CDTF	2015-12-02
DC.identifier	info:doi/10.1111/jjns.12098
DC.identifier" scheme="DCTERMS.URI	http://hdl.handle.net/11094/75871
DC.subject	group processes
	group psychotherapy
	process assessment
	reliability and validity
	self-help groups
DC.description	This is the peer reviewed version of the following article: Kageyama, M., Nakamura, Y., Kobayashi, S. and Yokoyama, K. (2016), Therapeutic Factors Inventory–19. Japan Journal of Nursing Science, 13: 135-146. doi:10.1111/jjns.12098, which has been published in final form at https://doi.org/10.1111/jjns.12098. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Use of Self-Archived Versions.
DCTERMS.abstract	Aim: Therapeutic factors are crucial mechanisms that promote change in self-help group members. Measuring therapeutic factors may improve practitioners’ skills for assessment in whole-group contexts. The present authors, therefore, examined the validity and reliability of a Japanese version of the Therapeutic Factors Inventory–19. Methods: The Therapeutic Factors Inventory–19 was examined using a self-report questionnaire completed by members of 38 family peer education self-help groups. The instrument measured the following four factors: instillation of hope, secure emotional expression, awareness of relational impact, and social learning. Results: Participants were 246 group members. Test–retest reliability was analyzed using data from 46 participants. Confirmatory factor analysis showed a goodness of fit of 0.85 and a root mean square error of approximation of 0.088. Multitrait scaling analyses showed that items for instillation of hope and secure emotional expression factors correlated higher with their own factors than other factors. Each factor and the total average of the 19 items were significantly correlated with the Group Benefit Scale and Client Satisfaction Questionnaire. When level of interaction with other members was higher, subjects perceived a stronger presence of therapeutic factors. The intraclass correlation coefficients of each factor at a week interval were 0.848–0.915. Cronbach’s alpha of each factor and all items ranged 0.767–0.960. Conclusion: In the case of family peer education self-help groups, there is acceptable validity and reliability for the average score of all items, and for the instillation of hope and secure emotional expression factors. However, more work is needed to increase the generalizability.
citation_title	Validity and reliability of the Japanese version of the Therapeutic Factors Inventory–19 : A study of family peer education self-help groups
citation_author	Kageyama, Masako
	Nakamura, Yukako
	Kobayashi, Sayaka
	Yokoyama, Keiko
citation_publisher	Japan Academy of Nursing Science
citation_language	英語
citation_date	2015-12-02
citation_journal_title	Japan Journal of Nursing Science
citation_volume	13
citation_issue	1
citation_firstpage	135
citation_lastpage	146
citation_issn	17427932
citation_doi	info:doi/10.1111/jjns.12098
citation_pmid	26630352
citation_public_url	http://hdl.handle.net/11094/75871
citation_keywords	group processes
	group psychotherapy
	process assessment
	reliability and validity
	self-help groups

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