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How Valid are Web-Based Self-Reports of Weight?

How Valid are Web-Based Self-Reports of Weight?

Considering the increasing number of studies collecting Web-based data, there is a need to determine the validity of Web-based self-reports of body weight.It has been suggested that using the Internet creates a distance between the investigator and the subject

Stephanie Erika Bonn, Ylva Trolle Lagerros, Katarina Bälter

J Med Internet Res 2013;15(4):e52


Author’s Reply to: Comment on “Web-Based Measure of Life Events Using Computerized Life Events and Assessment Record (CLEAR): Preliminary Cross-Sectional Study of Reliability, Validity, and Association With Depression”: Validity and Methodological Issues

Author’s Reply to: Comment on “Web-Based Measure of Life Events Using Computerized Life Events and Assessment Record (CLEAR): Preliminary Cross-Sectional Study of Reliability, Validity, and Association With Depression”: Validity and Methodological Issues

While appreciating the critique, it expands on only one of the validity findings, comparing CLEAR with a life event interview and checklist questionnaire. There are significant points not outlined in the letter [1] and these are addressed here.

Antonia Bifulco

JMIR Ment Health 2020;7(5):e15434


Comment on “Web-Based Measure of Life Events Using Computerized Life Events and Assessment Record (CLEAR): Preliminary Cross-Sectional Study of Reliability, Validity, and Association With Depression”: Validity and Methodological Issues

Comment on “Web-Based Measure of Life Events Using Computerized Life Events and Assessment Record (CLEAR): Preliminary Cross-Sectional Study of Reliability, Validity, and Association With Depression”: Validity and Methodological Issues

We were interested in the article titled, “Web-Based Measure of Life Events Using Computerized Life Events and Assessment Record (CLEAR): Preliminary Cross-Sectional Study of Reliability, Validity, and Association With Depression” published in JMIR Mental Health

Jamal Rahmani, Roya Karimi, Farideh Mohtasham, Siamak Sabour

JMIR Ment Health 2020;7(5):e14505


Translation of the Chinese Version of the Nomophobia Questionnaire and Its Validation Among College Students: Factor Analysis

Translation of the Chinese Version of the Nomophobia Questionnaire and Its Validation Among College Students: Factor Analysis

the English version of NMP-Q based on the cultural background and language habits of the Chinese and explored the applicability of the Chinese version of the scale among 966 college students in southern China, and the results showed that the reliability and validity

Ye Gao, Hongliang Dai, Guizhi Jia, Chunguang Liang, Tong Tong, Zhiyu Zhang, Ruobing Song, Qing Wang, Yue Zhu

JMIR Mhealth Uhealth 2020;8(3):e13561


The mHealth App Usability Questionnaire (MAUQ): Development and Validation Study

The mHealth App Usability Questionnaire (MAUQ): Development and Validation Study

The former correlation coefficients were to be used to determine the criterion validity of the MAUQ, while the latter were to be used to determine the construct validity of the MAUQ [31].

Leming Zhou, Jie Bao, I Made Agus Setiawan, Andi Saptono, Bambang Parmanto

JMIR Mhealth Uhealth 2019;7(4):e11500


Use of a Google Map Tool Embedded in an Internet Survey Instrument: Is it a Valid and Reliable Alternative to Geocoded Address Data?

Use of a Google Map Tool Embedded in an Internet Survey Instrument: Is it a Valid and Reliable Alternative to Geocoded Address Data?

the needs of the patients being served [14].However, map tools embedded in Internet surveys used to identify key locations for study participants are not widely used currently, and to our knowledge, have never been evaluated for usability in the context of validity

Sharoda Dasgupta, Adam S Vaughan, Michael R Kramer, Travis H Sanchez, Patrick S Sullivan

JMIR Res Protoc 2014;3(2):e24


Evaluation of a Web-Based Food Record for Children Using Direct Unobtrusive Lunch Observations: A Validation Study

Evaluation of a Web-Based Food Record for Children Using Direct Unobtrusive Lunch Observations: A Validation Study

This contributes to its external validity in a positive manner.ConclusionWe have demonstrated that 8-9-year-old children had a mean match rate of 73% when recording their food intake from school lunch, with parental assistance, in a WebFR.

Anine Christine Medin, Helene Astrup, Britt Marlene Kåsin, Lene Frost Andersen

J Med Internet Res 2015;17(12):e273