An investigation of the relationship between the number of response categories and scale sensitivity

Contractor, Sunil H.; Fox, Richard J.

doi:10.1057/jt.2011.4

Cited by 6 publications

(3 citation statements)

References 18 publications

(11 reference statements)

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“…For the measurement of different constructs to be homogenous, all continuous variables will be measured with 7-point Likert-type scales. This is because most of the instruments used in the study originally included this type of scale, and the number of points in Likert-type scales do not influence its metric properties (Contractor and Fox, 2011 ).…”

Section: Study 1—correlates Of Intention To Vaccinatementioning

confidence: 99%

Parental Decision-Making on Childhood Vaccination

et al. 2018

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A growing number of parents delay vaccinations or are deciding not to vaccinate their children altogether. This increases the risk of contracting vaccine-preventable diseases and disrupting herd immunity, and also impairs the trust in the capacities of health care systems to protect people. Vaccine hesitancy is related to a range of both psychological and demographic determinants, such as attitudes toward vaccinations, social norms, and trust in science. Our aim is to understand those determinants in parents, because they are a special group in this issue—they act as proxy decision makers for their children, who are unable to decide for themselves. The fact that deciding to vaccinate is a socially forced choice that concerns a child's health makes vaccine-related decisions highly important and involving for parents. This high involvement might lead to parents overemphasizing the potential side effects that they know to be vaccine-related, and by amplifying those, parents are more focused on the potential outcomes of vaccine-related decisions, which can yield specific pattern of the outcome bias. We propose two related studies to investigate factors which promote vaccine hesitancy, protective factors that determine parental vaccination decisions, and outcome bias in parental vaccination intentions. We will explore demographic and psychological factors, and test parental involvement related to vaccine hesitancy using an online battery in a correlation panel design study. The second study is an experimental study, in which we will investigate the moderating role of parents' high involvement in the specific domain of vaccination decision making. We expect that higher involvement among parents, compared to non-parents, will shape the pattern of the proneness to outcome bias. The studies will be conducted across eight countries in Europe and Asia (Finland, Germany, Hong Kong, the Netherlands, Serbia, Slovenia, Spain, and the United Kingdom), rendering findings that will aid with understanding the underlying mechanisms of vaccine hesitancy and paving the way for developing interventions custom-made for parents.

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Section: Study 1—correlates Of Intention To Vaccinatementioning

confidence: 99%

Parental Decision-Making on Childhood Vaccination

et al. 2018

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“…Category rating scales are frequently used in survey research. 34 However, respondents across different countries may interpret the scoring formats and extreme categories inconsistently. 35 For instance, while in some countries 5-and 7-point Likert scales are common, in others 20-point scales are more often used.…”

Section: Measure Equivalencementioning

confidence: 99%

Methodological issues in cross-cultural research: An overview and recommendations

Buil

Chernatony²,

Martı́nez

2012

J Target Meas Anal Mark

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“…Dawes 12 fi nds slightly lower means (after rescaling) on a 10-point scale, in comparison to 5-point or 7-point scales, and no infl uence of scale width on standard deviations. Finally, Contractor and Fox 24 report that sensitivity, defi ned as the ability to statistically differentiate mean ratings for different stimuli, did not increase with increasing scale width. Rather, scales with fi ve or six response categories showed slightly higher levels of sensitivity than wider scales with seven, nine or ten response categories.…”

Section: Previous Research On Scale Widthmentioning

confidence: 96%

The impact of scale width on responses for multi-item, self-report measures

Felix

2011

J Target Meas Anal Mark

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Participants in market research studies are exposed to measurement scales with differing numbers of scale points, ranging from as little as 3 response options to over 20. However, the question whether variations in scale width may infl uence responses and bias the results remains the subject of ongoing discussion in marketing theory and practice. In this article, the impact of scale width on marketing scale properties is investigated in the context of two important marketing measures, attitude toward the ad (Aad) and attitude toward the brand (Ab). The results suggest that although, as expected, the average number of scale points used by respondents increases with the number of response alternatives available, scale width does not infl uence important indicators such as means, standard deviations and skewness. It follows that scale means can be compared between scales with differing numbers of response categories, using the general conversion formula presented in this article.

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An investigation of the relationship between the number of response categories and scale sensitivity

Cited by 6 publications

References 18 publications

Parental Decision-Making on Childhood Vaccination

Parental Decision-Making on Childhood Vaccination

Methodological issues in cross-cultural research: An overview and recommendations

The impact of scale width on responses for multi-item, self-report measures

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