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A measurement of each variable in this research using Likert scale to measure attitudes, opinion and perceptions of individuals
or groups social phenomena Sugiyono, 2013:94. By using a Likert scale, the measurement variable is an
indicator variable that will be outlined. Using a Likert scale of five 5 levels to express the attitude or the respondent‘s answer as
follows:
Table 3.1 Likert Scale
Strongly agree always very positive very satisfactory
5 Agree often positive satisfying
4 Neutral hesitant sometimes
3 Disagree never negative unsatisfactory
2 Strongly disagree strongly never very
dissatisfy 1
Source: Sugiyono, 2013:133
2. Secondary Data
A secondary source is a source that does not directly provide data to data collectors, for example through others or through
documents. Secondary data were generally obtained by the founders to provide additional information and images for further
processing. Secondary data used in this study was obtained from books, journals, literature or other writings that are considered
related to the problems studied by using written reports or
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documentation of previous studies and other information that can be retrieved through the system online internet.
In the process of secondary data collection, the researchers collected data related to and associated with the research. So it can
support materials to support this research. D.
Methods of Data Analysis 1.
Validity Test
Validity test used to measure the validity of the data in the study. According Ghozali, 2011:52 validity test is used to
measure the legitimacy of a questionnaire. Validity test used to measure the validity of a questionnaire.
Testing was conducted using Pearson correlation, guidelines for a model is said to be valid if the significance level below 0,05 then
the questions can be said to be valid. In addition, the criteria used in determining whether or not valid questions or statements used in
this study is the 95 confidence level α = 5, the number of respondents as many as 30 respondents to pre-test, and compared
with the value of r table = 0,361 in the can of degree of freedom df = n - 2, in this case n is the number of pre-test sample of 30
respondents. A questionnaire is said to be valid when the value of r count larger than r table.
Test will test the validity of each variable used in this study. Here are the results to test the validity of the variable service quality,
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sales promotion and customer satisfaction with 30 samples of respondents.
2. Reliability Test
