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Thesis

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42 Methods and materials<br />

4 Methods and materials<br />

This chapter describes the theoretical background, samples, research designs and<br />

procedures used as part of this thesis. It also describes the research questions and<br />

hypotheses as stated in the objectives of the thesis.<br />

4.1 Theoretical background of methods used<br />

In order to meet its research objectives, the thesis engages in both descriptive and<br />

causal research (Kotler, 2012). In terms of descriptive research, it aims to describe<br />

the effects of product placement and its possible causes. Survey research, which is<br />

elaborated on further on, is considered a proper method to engage in descriptive<br />

research. In terms of causal research, it aims to test hypothesis and cause-and-effect-relationships.<br />

Experimental research is considered a proper method to obtain<br />

causal information: this regards the selection of matched groups of subjects, subjecting<br />

them to various treatments, the control of factors which are not related, and<br />

verifying differences in responses of the groups (Kotler, 2012).<br />

In order to do so, the thesis utilizes several research methods to obtain primary<br />

data. Primary data concerns information which is gathered for a specific research<br />

goal, contrarily to secondary data which regards already existing data, which<br />

was gathered to meet a different goal (Kotler, 2012).<br />

The theoretical background of the methods used to obtain the primary data<br />

needed to comply with the thesis research objectives will be briefly described below.<br />

4.1.1 Questionnaires<br />

A questionnaire is a research instrument used in survey research. Survey research<br />

regards collecting data through asking people question regarding the knowledge,<br />

attitudes, preferences, and buying behavior, by asking them questions directly related<br />

to these aforementioned matters (Kotler, 2012). It is considered the most commonly<br />

used method to collect primary data, particularly suited to obtain information<br />

which is descriptive in nature. Advantages of this research can be found in its flexibility<br />

as it can be utilized to gather different kinds of information in varying situations:<br />

questionnaires can employ both open-end questions and close-end questions.<br />

Open-end questions allow the subject to answer to questions in their own words<br />

and thus there are no limitations imposed as to what the subject answers. Closedend<br />

questions on the other hand have a pre-defined set of answers defined among<br />

which the subject can choose to respond to the questions. The wording and ordering<br />

of questions is key in using questionnaires: these ought to be simple, unbiased and<br />

direct. Questionnaires can be conducted through various media, ranging from<br />

phone, to e-mail, to personal contact or event through the internet (Kotler, 2012).<br />

Survey research also comes with its disadvantages. These include an unwillingness<br />

to respond to interviewers they are not familiar with or due to the fact the responses<br />

queried might be too personal for the subject. The quality of the data might also be

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