20 Aug 2017

How to measure social capital

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A guide for the measurement of social capital at any level in any context.

There is almost universal agreement that social capital is difficult to measure with a high degree of validity. Demand for relevant empirical measures has continued to outstrip supply. You have likely found this article because you are looking for (and not yet found) a suitable instrument for measuring social capital. This article may help, but unfortunately there is no silver bullet; no perfect tool for social capital measurement.

Read our article about whether social capital can be measured.

Social capital cannot be measured directly, but can be inferred from its determinants or manifestations. The determinants are factors that have an impact on social interactions and therefore allow social capital to come about (read more). Manifestations are the outcomes of social capital (read more) for example lower crime rates. We measure social capital by using indicators or “proxies” that are theoretically linked to social capital.

Read the academic discussion on social capital measurement.

Measurement based on a single indicator?

Past approaches to measuring social capital have ranged from simply using one indicator (e.g. trust) to using complicated groups of indexes. Most investigators now agree that due to the multidimensional nature of social capital a wide range of indicators should be used.

So if you’re looking at an old study that used one or even a few indicators you should move on to something more recent and more rigorous.

Measurement must be linked to the theoretical underpinnings of the concept

A good starting point is with the different types of social capital. Depending on your theoretical preferences you may like to take into account one or both of the perspectives below.

Network perspective

Bonding – social ties between individuals within the same social group or with others who are primarily like them. Read more about bonding social capital.

Bridging – social ties that link people together with others across a cleavage that typically divides society (like race, or class, or religion). Read more about bridging social capital.

Linking – social tie (often a bridging social tie) to those with power that provides one with the capacity to gain access to resources, ideas and information from formal institutions beyond the community. Read more about linking social capital.

The table below shows examples of different types of ties of different strengths.

Strong TiesWeak Ties
Bonding (horizontal) tiesClose friends or immediate family with similar social characteristics, e.g. social class or religionMembers with similar interests or social characteristics within voluntary associations
Bridging (horizontal) tiesClose friends or immediate family with different social characteristics, e.g. age, gender or ethnicityAcquaintances and members with different social characteristics within voluntary associations
Linking (Vertical) tiesClose work colleagues with different hierarchical positionsDistant colleagues with different hierarchical positions and ties between citizens and civil servants

Social structure perspective

Structural – elements of social structure that create opportunities for the social realisation of productive ends. Read more about structural social capital.

Cognitive – includes shared norms, values, attitudes, and beliefs, predisposes people towards mutually beneficial collective action.Read more about cognitive social capital.

Relational – is based on the characteristics of social relationships between individuals and is commonly described as including trust and trustworthiness. Read more about relational social capital.

This theoretical perspective could be expanded to include potential indicators for each type of social capital. Below is an example prepared by the Network for Business Sustainability (nbs.net).

Most investigators tend to summarise the components of social capital into four broad categories:

  • Networks, relationships and connections
  • Trust
  • Civic engagement and voluntary activities (including cooperation, political participation, social participation, associational memberships, community volunteerism, etc.)
  • Civic norms, shared norms and values

The OECD concluded that there is convergence around a number of key dimensions:

  • Political participation
  • Community involvement
  • Informal networks/sociability
  • Trust, norms and sanctions

The important point here is that the instrument of measurement must be closely related to the theoretical understanding of social capital.

Level of analysis

Measurement of social capital depends on the level of analysis (individual, group and organisational, community and national), and also on the interests of researchers – whether they are interested in the source, form or consequences of social capital.

Measures at the national level may be of little or no relevance at the organisational level so care needs to be taken to ensure the measure is appropriate for the level of analysis.

For example we may measure membership in associations as an indicator of civic engagement which is thought to be a dimension of social capital (at the macro level), but could also be an outcome of social capital. This can be somewhat resolved by clarifying the focus of the analysis.

Level of analysis defines the measurement instrument

The type of measurement will depend on the scale of interest. Generally there are three different levels:

  • Macro – community or national
  • Meso – groups or organisations
  • Micro – individual

Community and National (Country) Level Measures

At this level social capital is a community level resource or ‘collectively-owned capital’. Due to the challenges of data availability measures at the macro level often use secondary analysis of existing datasets not collected specifically to measure social capital. These datasets could include country level census data, or the World Values Survey, the European Values Survey, the General Social Survey, and the Index of National Civic Health in the US.

Because the data was often not collected with the intent to investigate social capital the indexes are often “best fit” and often not rigorously related to the theory.

The items in the indexes have been primarily from the structural dimension and have included trust (general and institutional), trustworthiness, network structural characteristics (e.g. network density, strong ties, weak ties, intra-community ties, etc.), association membership and community engagement, and voluntary activities (e.g. community volunteerism, civic engagement, social and political participation, etc.). Measures used to describe relational social capital have focused on social relationships, social cohesion, and social interactions. Measures used for cognitive social capital have emphasised civic norms, reciprocity, trust, social support, affective bonds and collective goals.

Examples of macro level indexes used to measure social capital:

  • World Values Survey (WVS) (Includes the European Values Survey)
    TInglehart (1997) http://www.worldvaluessurvey.org
  • Putnam’s Social Capital Index Instrument
    Putnam (2000)
  • General Social Survey (GSS)
    National Opinion Research Center, University of Chicago (Biennial Survey)
  • Global Social Capital Survey
    Narayan and Cassidy (2001)
  • New South Wales Study
    Onyx and Bullen (2000)
  • The Barometer of Social Capital
    Sudarsky (1999)
  • Index of National Civic Health in the US
    National Commission on Civic Renewal (1996)
  • Aspects of Social Capital
    Harpham (2003)
  • University of Minnesota Scale
    Scheffert, Horntvedt, and Chazdon (2009)
  • World Bank’s Social Capital Assessment Tool (SOCAT)
    Grootaert and Van Bastelaer (2002)
  • Adapted Social Capital Assessment Tool (A-SCAT)
    Harpham, Grant and Thomas (2002)
  • World Bank Integrated Questionnaire for the Measurement of Social Capital (SC-IQ)
    Grootaert, Narayan, Jones, and Woolcock (2004)
  • Social Capital Measurement Tool (SCMT)
    Kitchen, Williams and Simone (2012)
  • Social Relationship Index
    Wilson (2006)
  • The UK Social Capital Measurement Framework
    Harper and Kelly (2003)

Group and Organisation Level Measures

It is very important for investigation of social capital at the group level to take into account the context of the group. Because of the hierarchical structure of most groups or organisations the role of executive leadership in creating “culture” should be taken into account. This culture is the cognitive dimension of social capital.

Unfortunately many of the previous studies at this level looked primarily at the structural
and relational dimensions of social capital. They have missed the very important cognitive dimensions that influence individual actions that have productive outcomes.

The structural dimensions include:

  • network structural characteristics (e.g. network links, network centrality, network density, network diversity, network size, network frequency, network redundancy, institutional network, etc.)
  • network ties (strong ties, weak ties, government officials ties, tie strength, bonding ties, bridging ties, linking ties, structural holes, etc.)
  • association membership and institutional links
  • trust

The relational dimensions include:

  • social connections and ties with
    • close acquaintances (e.g. family members, and colleagues at work), and
    • various external stakeholders (e.g. executives from other businesses, board members, political leaders, government bureaucratic officials, and community leaders);
  • interpersonal trust
  • trust

Where cognitive social capital has been investigated it is mostly attitudinal and value-based and include:

  • shared norms, values and obligations
  • reciprocity
  • shared goals and mission
  • attitudes and beliefs

The context of any group or organisation is important

A generic social capital measurement tool may ask about the relationship with suppliers, but this will not be relevant to all organisations. The nature of the group, its activities and purpose will determine the aspects of social capital that are important and therefore what data is relevant.

Individual Level Measures

At the individual level, social capital is usually measured by questionnaire surveys using indicators that tap into social connections, social networks and social support.

The structural dimension includes:

  • degree of trust,
  • social network structure and position (e.g. network centrality, network size, network density, betweenness centrality, network homogeneity/heterogeneity, homophily/heterophily, network constraint, tie strength, structural holes, etc.),
  • number of network memberships,
  • association memberships and social participation,
  • social connections and relationships (e.g. bonding ties, bridging ties, linking ties, connectivity, etc.), and
  • the quantity or volume of social resources

The relational dimension includes:

  • social interactions,
  • social relationships,
  • social networking,
  • social support,
  • social cohesion, and
  • associability.

Cognitive social capital includes:

  • general and interpersonal trust,
  • shared goals,
  • shared culture,
  • reciprocity,
  • feelings of safety, and
  • views of multiculturalism to gauge the individual’s tolerance of diversity.

Measurement of social capital is less problematic at the individual level given greater specificity of the indicators, which are derived from social network research.

Conclusions about social capital measurement

Given the lack of agreed methods for measurements, researchers tend to identify the important elements or factors that suit their research context and develop their own instrument.

We must be critical of the relationship between the instrument and theory, and any assumptions about causality.

This is very effective in most cases as long as the researcher has sufficient understanding to develop an instrument informed by theory, and the ability to be critical of the potential for the instrument to make assumptions about the connection between the proxies being investigated and the elements of social capital.

There are now many different measurement tools available that may be utilised or modified to suit the context of interest. Care must be taken to ensure that the instrument is rigorously linked to the relevant theoretical understanding of social capital.

We need to be aware that much of the data we use to measure social capital is subjectively derived. Much of it tends to be opinion, feeling or belief that is heavily influenced by the way in which it is collected.

Social capital measurement can be self fulfilling if we are not careful.

Even the wording of a question can significantly influence the response so care must be taken to ensure that social capital measurement is not self fulfilling – ie that we don’t find exactly what we set out to find without questioning the means.

Most of the cognitive dimensions of social capital are “pre-reflective”, often requiring some reflection for us to be able to articulate their nature. The amount of reflection may affect the response because an initial belief may be different to an eventual conclusion after deep reflection of the situation.

Many cognitive dimensions are not fully conscious.

Often the method of our data collection limits the opportunity (time constraints) or willingness (not understanding the reason or importance) for reflection. This can result in widely varied responses that create noise in the data making it more difficult to identify patterns with statistical confidence. It can even result in inaccuracy.

Read more about the prereflective nature of social capital measurement and how this is an opportunity for building social capital.

Tristan Claridge has a passion for technology, innovation and teaching. He is an academic and entrepreneur, and he uses his cross-discipline knowledge and experience to solve problems and identify opportunities. He has bachelors and masters degrees from the University of Queensland in Australia. He has qualifications in environmental science, social theory, teaching and research, and business management.

Tristan is dedicated to the application of social capital theory to organisations. His diverse experience in teaching, research, and business has given him a unique perspective on organisational social capital and the potential improvements that can be achieved in any organisation.

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  • RAHMAT SHAZI September 26, 2017

    Hi Tristan,
    Interesting stuff here. FYI my business unit actually sells these measurement services based on models developed during my PhD. Looking forward to share our experience here.

    Reply
    • RAHMAT SHAZI September 26, 2017

      And yeah, just realised you also graduated from UQ. What a coincidence

      Reply

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