Tee 2007
Tee 2007
Abstract
doi: 10.1111/j.1467-629x.2006.00205.x
1. Introduction
1.1. Background
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Numerous attempts have been made to define data quality and to identify
its dimensions (Fox et al., 1994; Wang and Strong, 1996; Kahn et al., 2002).
Dimensions of data quality typically include accuracy, reliability, importance,
consistency, precision, timeliness, fineness, understandability, conciseness and
usefulness. Unfortunately, a set of data might be completely satisfactory on
most dimensions but inadequate on a critical few. Improving one data quality
dimension can impair another dimension (Ballou et al., 1998). Moreover, different
stakeholders in an organization might have different data quality requirements
and concerns (Giannoccaro et al., 1999; Lee and Strong, 2004).
Within an organizational context, if better data quality is to be achieved, it is
important to understand what data quality means to that organization and also
how data quality is to be measured (Wand and Wang, 1996). Based on data
quality dimensions identified in prior research and on the perceptions of the
participating organization this research focuses on three data quality dimen-
sions: accuracy, timeliness and relevance. Accuracy refers to the degree of cor-
respondence of recorded values to the actual values of the associated real-world
objects. Timeliness refers to the extent to which the data are up-to-date for the
required task. Relevance refers to the extent to which the data are applicable or
appropriate for the required task.
To develop the research hypotheses, several theories, models and frameworks
were reviewed to identify factors that potentially influence an organization to
improve the quality of its data. These include data quality models and frameworks,
information systems implementation and data warehouse success models, total
quality management concepts, and the resource-based view of the firm. Figure 1
shows the hypothesized relations between the research constructs.
1
Management here is not confined to top or senior management, but refers to all levels of
management in the organization.
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Data quality champions are managers who actively and vigorously promote
their personal vision for using data quality-related technology innovations. They
push projects over approval and implementation hurdles (Beath, 1991). Data
quality champions provide political support, keep participants informed, and
allocate resources to data quality projects (Flynn et al., 1995; Oz and Sosik, 2000).
Data quality champions also exhibit transformational leadership behaviour when
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they strongly support a data quality project (Howell and Higgins, 1990; Heng
et al., 1999; Poon and Wagner, 2001). They possess the skills (e.g. communica-
tion and project management) and power (e.g. reputation and position in the
organization) needed to overcome resistance that might arise when change
occurs within organizations (Guimaraes and Igbaria, 1997; Jiang et al., 2000).
Accordingly,
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2.2.6. Perceived need for data quality to support products and services
The value of the products and services organizations offer often depends, in
part, on the quality of the data associated with these products and services. The
quality of data about products and services influences customers’ perceptions
about the quality of products and services organizations offered (Wang and
Strong, 1996). Hence, the impact of data on the value of the products and
services offered by an organization is likely to increase management’s perception
of the need for data quality to support their products and services. Accordingly,
H6: The perceived need for data quality to support products and services is
positively associated with management’s commitment to data quality.
The level of data quality associated with the products and services organizations
offer is often dictated by legal or regulatory constraints. Organizations must
comply with the Privacy Legislation (Gibbs et al., 2002) and the Data Quality
Legislation (Anderson, 2002), which prescribe how organizations should collect,
use, secure and disclose information. Regulatory requirements increase the
organizations’ perceived need for data quality in their products and services
(e.g. to avoid the costs of sanctions or to take advantage of opportunities that
regulations provide to their organizations). Therefore,
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H9: Competitive pressures are positively associated with the perceived need for
data quality to support products and services.
3. Research method
2
For example, Ford Motor Company terminated its century-old business relationship with
Bridgestone/Firestone. Failure to comply with the safety regulatory requirements in relation
to safety-test information cost Ford millions of dollars. In addition, the publicity negatively
affected customers’ perceptions about the quality of both Ford’s and Firestone’s products
(Whalen, 2001).
3
For example, AT&T, a long-distance call service provider, used local telephone companies
for access service to connect calls to its customers. The local telephone companies billed
AT&T for these access services, typically $US15bn per year. AT&T often found itself over-
charged for the access service (Redman, 1996, p. 17).
4
Zelda is a fictitious name. The potential limitation regarding the generalizability of results
is examined in Section 5.
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3.2. Survey
The first technique used to gather data was a survey of general users and of
senior managers. The survey responses were used to test the research hypotheses
and as the basis of formulating questions for follow-up interviews.
Measures for seven constructs were adapted from existing instruments. The
remaining measures were developed by the researchers and went through
extensive pretesting to ensure construct validity. Table 1 contains the constructs,
descriptions and source for the questions making up the survey instrument.
All constructs except information systems/information technology capabilities
were measured using multiple items. Information systems/information technology
capabilities were measured by the participants’ self-reported information systems/
information technology experience. To obtain measures for each construct, parti-
cipants were asked to mark their perceptions on a continuous scale of 0 (strongly
disagree) to 1 (strongly agree).5 The participant’s score on each question was
the ratio of the marked distance (from 0 to x) to the total distance (from 0 to 1).
Only members of senior management were able to answer questions related
to the perceived use of high-quality data as a strategic resource for competitive
funding and the perceived need for high-quality data to support operations and
client services. As a result, two sets of questionnaires were prepared: one set
for general users and the other set for senior managers.6 The questionnaire for
general users contained the first four constructs whereas the questionnaire for
5
Throughout this research it has been assumed that respondents would have selected the
mid-point on the scale as the neutral point.
6
The final survey instruments are available from the researchers.
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Table 1
Instrument development
a
To obtain measures for each construct (except information systems/information technology capability),
participants were asked to mark their perceptions on a continuous scale of 0 (strongly disagree) to 1
(strongly agree).
7
Of the 51 respondents, 20 are data producers, and the remaining 31 are data consumers.
Data producers capture, enter and process data. Data consumers use the data entered by the
data producers.
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Table 2
Population, sample and responses
General users
4. Results
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Table 3
Construct descriptive statistics
a
On a 0 –1 point scale, participants were asked to mark their perceptions on a continuous scale of 0
(strongly disagree) to 1 (strongly agree). The participant’s score on each question was the ratio of the
marked distance (from 0 to x) to the total distance (from 0 to 1). SD, standard deviation.
8
Because the number of responses was well below the desirable level, factor analysis was
not performed.
9
Taking into account the fact the some of the constructs were being measured by new
instruments and also the small number of observations, the Cronbach alpha scores indicate
that the constructs appear reasonable.
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Table 4
Perceptions of relative importance of data quality dimension (100 points in total)
SM GU DP DC
Data quality dimension (N = 13) (N = 38) SM vs GU (N = 20) (N = 31) DP vs DC
SM, senior management; GU, general user; DP, data producer; DC, data consumer.
These results show that general users perceive the data quality and data
quality commitment as moderately high and that Zelda has an effective data quality
champion. The low result for data quality rewards is primarily attributable to
the organizational setting (i.e. government-funded agencies can seldom provide
direct performance-based payments to employees). The results show that senior
managers rated all constructs except data quality rewards, regulatory requirements
and funding agreement as moderately high (> 0.6). The mediocre ratings for
regulatory requirements and funding agreement suggest that senior management
perceives that the benefits associated with complying with these requirements
provide little motivation for Zelda to improve data quality. Similar to the results
for general users, the results for senior management also indicated that data
quality rewards provide few incentives for data quality improvements.
The participants were asked to indicate their perceptions of the relative
importance of the accuracy, timeliness and relevance of the data they entered or
used. Table 4 summarizes the perceptions of the relative importance of each of
the data quality dimensions. There was no significant difference between senior
management and general users’ perceptions of the relative importance of the
three data quality dimensions. Both senior management and general users
perceived accuracy as approximately twice as important as relevance or timeliness.
When a similar analysis was undertaken from the perspective of data producers
versus data consumers, significant differences existed between the relative
importance of the three data quality dimensions. Data producers perceived
accuracy, timeliness and relevance as approximately equally important. Data
consumers perceived accuracy as twice as important as relevance or timeliness.
Data consumers also perceived accuracy as significantly more important than data
producers. However, data producers perceived both relevance and timeliness as
more important than data consumers. Data producers are likely to consider
timeliness, in particular, as more important than data consumers because the
organization constantly encourages data producers to enter their data on a
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Table 5
Pearson correlations of factors affecting data quality
1 2 3 4 5 6 7 8 9
Data quality 1
Data quality 2 0.687
commitment (0.005)
Data quality 3 0.522 0.328
rewards (0.034) (0.137)
Data quality 4 0.119 0.581 –0.172
champions (0.350) (0.019) (0.287)
Competitive 5 –0.411 –0.078 –0.429 0.646
funding (0.081) (0.400) (0.072) (0.009)
IS/IT/DQ 6 0.000 –0.382 0.043 –0.052 0.255
experience (0.500) (0.099) (0.444) (0.335) (0.200)
Operations 7 0.507 0.516 0.077 0.419 0.138 0.136
and client (0.039) (0.036) (0.401) (0.077) (0.372) (0.329)
services
Regulatory 8 0.362 0.322 0.560 0.355 0.122 0.178 0.525
requirement (0.112) (0.141) (0.023) (0.117) (0.346) (0.281) (0.033)
Funding 9 0.211 0.076 0.523 0.034 0.154 – 0.032 0.261 0.639
agreement (0.244) (0.402) (0.033) (0.457) (0.308) (0.459) (0.195) (0.009)
Government 10 0.179 0.336 –0.444 0.576 0.589 0.341 0.630 0.040 – 0.169
priority (0.279) (0.131) (0.064) (0.020) (0.017) (0.127) (0.010) (0.448) (0.291)
timely basis. This emphasis on timeliness occurs because the organization might
not receive recognition from funding agencies for activities that occurred before the
end of a reporting period but that were entered after the end of the reporting period.
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significance for general users. Panel B of Table 5 reports the Pearson correlations
between the constructs and the levels of significance for senior managers. Where
the responses provide support for a hypothesis that is not supported statistically,
responses from the interviewees that do support the hypothesis are discussed below.
Hypothesis 1 asserts that management commitment is positively associated
with data quality. The correlation coefficient between the two measures is
highly significant for both the general users (correlation coefficient of 0.487,
p = 0.001) and senior management (correlation coefficient of 0.687, p = 0.005).
Therefore, Hypothesis 1 is supported.
Hypothesis 2 states that the presence of one or more data quality champions
is positively associated with management commitment to data quality. The
correlation coefficient between the two measures is highly significant for the
general users (correlation coefficient of 0.480, p = 0.003) and significant for
senior management (correlation coefficient of 0.581, p = 0.019). Hence,
Hypothesis 2 is supported.
Hypothesis 3 maintains that the presence of extrinsic rewards is positively
associated with management commitment to data quality. The correlation
coefficient between the two measures for the general users was moderately
significant (correlation coefficient of 0.251, p = 0.073).10 The correlation coeffi-
cient between the two measures in the senior management was not statistically
significant (correlation coefficient of 0.328, p = 0.137). Given the low number
of senior management observations, the lack of results might simply be because
of the small sample size. Therefore, Hypothesis 3 is partially supported.
Hypothesis 4, which asserts that management’s perceptions of the usefulness
of data quality for competitive funding is positively associated with management
commitment to data quality, was not supported (correlation coefficient of
−0.078, p = 0.400). One possible reason for the non-significant relationship was
the low number of responses (13). Another possible reason is that Zelda is a
government-funded agency that operates in a non-competitive environment. From
the interviews, Zelda’s management perceives that high-quality data enhance
Zelda’s reputation and improve its relationships with its funding agencies. They
perceive that high-quality data help Zelda to negotiate better future funding
arrangements. The following statement by the chief executive officer provides
qualitative support for Hypothesis 4:
Both Commonwealth and the State Government officials have high regard for the quality
of the information they are getting from Zelda. Having a reputation for accurate data has
positive effects and helps Zelda obtain more of the funding we request. (SM1)
10
Although this result is not significant at p ≤ 0.05, it can be considered moderately signi-
ficant in light of the small sample size of 38.
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perceptions about the usefulness of data quality for competitive funding, was
not supported (correlation coefficient of 0.255, p = 0.200). Two possible
explanations for the non-significant relationship are a weakness in the survey
questions intended to measure the construct11 and the limited number of obser-
vations available for analysis. Based on interview responses, Zelda’s ability to
recognize the potential benefits of high-quality data helped motivate improve-
ments in the organization’s information systems/information technology
capabilities. The increased use of technology innovations allowed Zelda to
implement online electronic lodgement of applications. Improvements in
technology have facilitated the implementation of a sophisticated accounting
system that more accurately tracks Zelda’s budget. The new accounting system
enables the staff to conduct more sophisticated data analyses. One senior
manager asserted that better information systems/information technology
capabilities help link business and data together:
Information technology enables the organization to allow people to play with the data and
to understand it. They begin to realize that it is not just a piece of paper with graphs on
it, but something that when you look at it, you can feel what is right and what is wrong.
More importantly, people now know how to use it and benefit from it. (SM2)
11
Information systems/information technology/data quality experience was used as proxy
for information systems/information technology capabilities. This proxy construct might
not have measured information systems/information technology capabilities effectively.
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it serves. The frequency of submissions and the types of data Zelda needs to
provide are specified in the agreement. As the database administrator recalled:
We (Zelda) developed Vision to satisfy the requirements agreed upon between Zelda and
the Commonwealth. The agreement specifies what data Zelda (and other similar service
providers) should collect and submit. (SM6)
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Table 6
Summary results of the testing of hypotheses in the model
Statistical Interview
Hypothesis Description test results responses
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also use the results of this research to refine existing data management policies
or to develop new policies.
The research benefits organizations in several ways. First, managers will be
better able to identify critical factors for successfully implementing new data
quality initiatives and for nurturing existing data quality activities. Second,
managers will be better able to understand the relationships among these critical
success factors. Third, they can use their improved understanding to develop or
enhance their organizational data quality policies and initiatives.
The usual caveats associated with surveys and interview-based research
apply here. Within these caveats the most significant limitation is the small
sample size upon which to base the statistical conclusions. The small sample
did not allow more advanced techniques such as factor analysis or structural
equation modelling to be used. With data being collected from only one case
study firm, the additional limitation of generalizability of results also applies.
Furthermore, the researchers relied upon the business analyst within the case
study firm to help with the identification of the groups for receiving the
questionnaire and also for the interviews. Finally, the possibility of measure-
ment issues needs to be raised. For example, the constructs were modified from
a number of existing instruments and the measurement scales were treated as
continuous rather than ordinal.
The results of this study suggest several areas for future research. First, this
study should be replicated with organizations from different industry sectors
and with organizations that operate in environments exhibiting different levels of
competitiveness. Such replication would allow for firm specific attributes to be
incorporated into the research. Furthermore, an expanded dataset would offer the
opportunity to examine the model using additional statistical techniques such as
structural equation modelling. Second, future studies could examine the impact
of product types (information products vs traditional products) and business envir-
onments to further develop the framework and to obtain a deeper understanding
of the need for high-quality data. Third, future research can be undertaken to refine
the researcher developed constructs and to improve the theoretical basis for
examining the association between these constructs and the usefulness of data
quality for competitive advantage. This research could also take into consider-
ation issues in relation to the actual level of data quality, ideal levels of data
quality, and acceptable levels of data quality. Finally, future research could
refine the proposed set of relations into a model that can be tested empirically.
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