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Individual differences |
Methods | Statistics | Clinical | Educational | Industrial | Professional items | World psychology |
Content analysis (sometimes called textual analysis when dealing exclusively with text) is a standard methodology in the social sciences for studying the content of communication. Earl Babbie defines it as "the study of recorded human communications, such as books, websites, paintings and laws." Harold Lasswell formulated the core questions of content analysis: "Who says what, to whom, why, to what extent and with what effect?." Ole Holsti (1969) offers a broad definition of content analysis as "any technique for making inferences by objectively and systematically identifying specified characteristics of messages." Dr. Kimberly A. Neuendorf (2002) offers a six-part definition of content analysis: "Content analysis is a summarizing, quantitative analysis of messages that relies on the scientific method (including attention to objectivity-intersubjectivity, a priori design, reliability, validity, generalizability, replicability, and hypothesis testing) and is not limited as to the types of variables that may be measured or the context in which the messages are created or presented."
The method of content analysis enables the researcher to include large amounts of textual information and systematically identify its properties, e.g. the frequencies of most used keywords (KWIC meaning "Key Word in Context") by detecting the more important structures of its communication content. Yet such amounts of textual information must be categorised according to a certain theoretical framework, which will inform the data analysis, providing at the end a meaningful reading of content under scrutiny. David Robertson (1976:73-75) for example created a coding frame for a comparison of modes of party competition between British and [[List of political parties in the American parties. It was developed further in 1979 by the Manifesto Research Group aiming at a comparative content-analytic approach on the policy positions of political parties. This classification scheme was also used to accomplish a comparative analysis between the 1989 and 1994 Brazilian party broadcasts and manifestos by F. Carvalho  (2000).
Since the 1980s, content analysis has become an increasingly important tool in the measurement of success in public relations (notably media relations) programs and the assessment of media profiles. In these circumstances, content analysis is an element of media evaluation or media analysis. In analyses of this type, data from content analysis is usually combined with media data (circulation, readership, number of viewers and listeners, frequency of publication). It has also been used by futurists to identify trends. In 1982, John Naisbitt published his popular Megatrends, based on content analysis in the US media.
The creation of coding frames is intrinsically related to a creative approach to variables that exert an influence over textual content. In political analysis, these variables could be political scandals, the impact of public opinion polls, sudden events in external politics, inflation etc. Mimetic Convergence, created by F. Lampreia Carvalho for the comparative analysis of electoral proclamations on free-to-air television is an example of creative articulation of variables in content analysis. The methodology describes the construction of party identities during long-term party competitions on TV, from a dynamic perspective, governed by the logic of the contingent. This method aims to capture the contingent logic observed in electoral campaigns by focusing on the repetition and innovation of themes sustained in party broadcasts. According to such post-structuralist perspective from which electoral competition is analysed, the party identities, 'the real' cannot speak without mediations because there is not a natural centre fixing the meaning of a party structure, it rather depends on ad-hoc articulations. There is no empirical reality outside articulations of meaning. Reality is an outcome of power struggles that unify ideas of social structure as a result of contingent interventions. In Brazil, these contingent interventions have proven to be mimetic and convergent rather than divergent and polarised, being integral to the repetition of dichotomised worldviews.
Mimetic Convergence thus aims to show the process of fixation of meaning through discursive articulations that repeat, alter and subvert political issues that come into play. For this reason, parties are not taken as the pure expression of conflicts for the representation of interests (of different classes, religions, ethnic groups (see: Lipset & Rokkan 1967, Lijphart 1984) but attempts to recompose and re-articulate ideas of an absent totality around signifiers gaining positivity.
Content analysis has been criticised for being a positivist methodology, yet here is an example of a methodology used to organise a content analysis which is able to capture the logic of the contingent dominating the political field, enabling an analysis of the constitution of party identities from the theoretical perspective of deconstruction and theory of hegemony.
Every content analysis should depart from a hypothesis. The hypothesis of Mimetic Convergence supports the Downsian interpretation that in general, rational voters converge in the direction of uniform positions in most thematic dimensions. The hypothesis guiding the analysis of Mimetic Convergence between political parties' broadcasts is: 'public opinion polls on vote intention, published throughout campaigns on TV will contribute to successive revisions of candidates' discourses. Candidates re-orient their arguments and thematic selections in part by the signals sent by voters. One must also consider the interference of other kinds of input on electoral propaganda such as internal and external political crises and the arbitrary interference of private interests on the dispute. Moments of internal crisis in disputes between candidates might result from the exhaustion of a certain strategy. The moments of exhaustion might consequently precipitate an inversion in the thematic flux.
As an evaluation approach, content analysis is considered to be quasi-evaluation because content analysis judgments need not be based on value statements. Instead, they can be based on knowledge. Such content analyses are not evaluations. On the other hand, when content analysis judgments are based on values, such studies are evaluations (Frisbie, 1986).
As demonstrated above, only a good scientific hypothesis can lead to the development of a methodology that will allow the empirical description, be it dynamic or static.
Uses of content analysisEdit
- make inferences about the antecedents of a communication
- describe and make inferences about characteristics of a communication
- make inferences about the effects of a communication.
He also places these uses into the context of the basic communication paradigm.
The following table shows fifteen uses of content analysis in terms of their general purpose, element of the communication paradigm to which they apply, and the general question they are intended to answer.
|Uses of Content Analysis by Purpose, Communication Element, and Question|
|Make inferences about the antecedents of communications||Source||Who?||
|Describe & make inferences about the characteristics of communications||Channel||How?||
|Make inferences about the consequences of communications||Decoding process||With what effect?||
|Note. Purpose, communication element, & question from Holsti (1969). Uses primarily from Berelson (1952) as adapted by Holsti (1969).|
The process of a content analysis Edit
According to Dr. Klaus Krippendorff (1980 and 2004), six questions must be addressed in every content analysis:
- Which data are analyzed?
- How are they defined?
- What is the population from which they are drawn?
- What is the context relative to which the data are analyzed?
- What are the boundaries of the analysis?
- What is the target of the inferences?
According to Zipf's law, the assumption is that words and phrases mentioned most often are those reflecting important concerns in every communication. Therefore, quantitative content analysis starts with word frequencies, space measurements (column centimeters/inches in the case of newspapers), time counts (for radio and television time) and keyword frequencies. However, content analysis extends far beyond plain word counts, e.g. with Keyword In Context routines words can be analysed in their specific context to be disambiguated. Synonyms and homonyms can be isolated in accordance to linguistic properties of a language.
Qualitatively, content analysis can involve any kind of analysis where communication content (speech, written text, interviews, images ...) is categorized and classified. In its beginnings, using the first newspapers at the end of 19th century, analysis was done manually by measuring the number of lines and amount of space given a subject. With the rise of common computing facilities like PCs, computer-based methods of analysis are growing in popularity. Answers to open ended questions, newspaper articles, political party manifestoes, medical records or systematic observations in experiments can all be subject to systematic analysis of textual data. By having contents of communication available in form of machine readable texts, the input is analysed for frequencies and coded into categories for building up inferences. Robert Philip Weber (1990) notes: "To make valid inferences from the text, it is important that the classification procedure be reliable in the sense of being consistent: Different people should code the same text in the same way" (p. 12). The validity, inter-coder reliability and intra-coder reliability are subject to intense methodological research efforts over long years (see Krippendorf, 2004).
One more distinction is between the manifest contents (of communication) and its latent meaning. "Manifest" describes what (an author or speaker) definitely has written, while latent meaning describes what an author intended to say/write. Normally, content analysis can only be applied on manifest content; that is, the words, sentences, or texts themselves, rather than their meanings.
Dermot McKeone (1995) has highlighted the difference between prescriptive analysis and open analysis. In prescriptive analysis, the context is a closely-defined set of communication parameters (e.g. specific messages, subject matter); open analysis identifies the dominant messages and subject matter within the text.
A further step in analysis is the distinction between dictionary-based (quantitative) approaches and qualitative approaches. Dictionary-based approaches set up a list of categories derived from the frequency list of words and control the distribution of words and their respective categories over the texts. While methods in quantitative content analysis in this way transform observations of found categories into quantitative statistical data, the qualitative content analysis focuses more on the intentionality and its implications.
Reliability in content analysis Edit
Dr. Kimberly A. Neuendorf (2002) suggests that when human coders are used in content analysis, reliability translates to intercoder reliability or "the amount of agreement or correspondence among two or more coders." The website of Dr. Neuendorf's Content Analysis Guidebook online http://academic.csuohio.edu/kneuendorf/content/ offers further information about assessment of reliability, reliability coefficients, calculations of intercoder reliability, resources, bibliographies on content analysis, an exhaustive list of message archives and other downloadable CATA programs. In addition, the Content Analysis Guidebook online also makes the PRAM program (Program for Reliability Assessment of Multiple Coders) available for free download. PRAM, developed by software engineers at Skymeg Software, Inc., is a preliminary computer program, a Windows based application for the PC that accommodates both two-coder and multiple coder situations for reliability assessments. PRAM requires an input data file that is formatted for Excel.
- Earl Babbie, 'The Practice of Social Research', 10th edition, Wadsworth, Thomson Learning Inc., ISBN 0-534-62029-9
- Bernard Berelson: Content Analysis in Communication Research. Glencoe, Ill: Free Press 1971 (first edition from 1952)
- Ian Budge, Hans-Dieter Klingemann et.al.: Mapping Policy Preferences. Estimates for Parties, Electors and Governments 1945-1998. Oxford 2001: Oxford University Press, ISBN 0-19-924400-6 (great example of application of content analysis methods in Political Science dealing with political parties and its impact on electoral systems)
- Richard Frisbie: The use of microcomputer programs to improve the reliability and validity of content analysis in evaluation. Paper presented at the session, Qualitative research methods, at the Annual Meeting of the American Educational Research Association, San Francisco. 1986, April
- Ole R. Holsti: Content Analysis for the Social Sciences and Humanities. Reading, Mass. 1969
- Lampreia Carvalho, F. 'Continuity and Innovation: Conservatism and Politics of Communication in Brazil'. (Continuidade e Inovacao: Conservadorismo e Politica da Comunicacao no Brasil) Journal Revista Brasileira de Ciencias Sociais, N.43, 2000. ANPOCS, Brazil.
- Klaus Krippendorff: Content Analysis: An Introduction to Its Methodology. 2nd edition, Thousand Oaks, CA: Sage 2004 (currently the most important book available, first edition was from 1980)
- Dermot McKeone: Measuring Your Media Profile, Gower Press, 1995 A general introduction to media analysis and PR evaluation for the communications industry
- Neuendorf, Kimberly A.: The Content Analysis Guidebook (2002)
- Neuendorf, Kimberly A.: The Content Analysis Guidebook Online (2002): http://academic.csuohio.edu/kneuendorf/content/
- Carl W. Roberts (ed.): Text Analysis for the Social Sciences: Methods for Drawing Inferences from Texts and Transcripts. Mahwah, NJ: Lawrence Erlbaum 1997
- Robert Philip Weber: Basic Content Analysis. 2nd ed., Newbury Park, CA: Sage 1990 (recommended introductory reading)
- Roger D. Wimmer and Joseph R. Dominick Mass Media Research: An Introduction. 8th ed. (Belmont, CA: Wadsworth, 2005).
- http://academic.csuohio.edu/kneuendorf/content/ Web site of the Content Analysis Guidebook Online, provides some CATA software for free download, list of archives, bibliographies and other important sources
- http://www.amecorg.com/ AMEC, The Association for Measurement and Evaluation of Communication, is the global trade body and professional institute for companies and individuals involved in research, measurement and evaluation in editorial media coverage and related communications issues. AMEC also provides an online college at http://www.ameccollege.com providing training and certification in content analysis techniques.
- http://www.car.ua.edu/ (a web resource on content analysis, with reading list of important publications, list of available software solutions and a mailing list for subscription)
- http://www.apb.cwc.net/homepage.htm (HAMLET software implementing routines of Multidimensional Scaling for comparison of similarities/proximities in textual data)
- http://www.metrica.net/ An international media content analysis agency with research into the adoption of content analysis amongst leading organisations going back to 1998. Also information and white papers on techniques and the importance of content analysis and PR measurement.
- On-line Content Analysis Tool
- http://annenberg.usc.edu/ (the Annenberg School of Communications, Los Angeles in the United States)
- http://www.essex.ac.uk/methods (the "Essex Summer School for Data Analysis and Data Collection", United Kingdom offers university-level education in social science methodology including content analysis methods).
- http://www.impact-media.co.uk Contains a general introduction to media analysis and media profile measurement including an outline of the differences between open and prescriptive analysis
- The "Ultimate Research Assistant" - an online content analysis tool.
- http://www.mediaevaluation.eu Media Evaluation Research has published a White Paper which deals with aspects of media content analysis including its history, application and limitations.
- http://www.cormex.com Cormex: A Canadian media content measurement and analysis company.
- http://www.mediamiser.com MediaMiser: Software and services to help companies manage, search and analyze media content.
- http://alanchumley.wordpress.com Alan Chumley: a Canadian blogger on the topic of PR measurement
- http://www.andersonanalytics.com/reports/AATAT.pdf: History of content analysis software in psychology and applications of content analysis, text mining and text analytics in market research.
- http://www.cs.cmu.edu/~cprose/TagHelper.html: A tool for facilitating content analysis of verbal data in English, German, Spanish, or Chinese.
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