Descriptive research methodology

But the perception of value is a subjective one, and what customers value this year may be quite different from what they value next year. As such, the attributes that create value cannot simply be deduced from common knowledge. Rather, data must be collected and analyzed. The goal of marketing research is to provide the facts and direction that managers need to make their more important marketing decisions.

Descriptive research methodology

Data Preparation and Analysis Preparing Data After data collection, the researcher must prepare the data to be analyzed. Organizing the data correctly can save a lot of time and prevent mistakes.

Most researchers choose to use a database or statistical analysis program e. Once the data has been entered, it is crucial that the researcher check the data for accuracy. This can be accomplished by spot-checking a random assortment of participant data groups, but this method is not as effective as re-entering the data a second time and searching for discrepancies.

This method is particularly easy to do when using numerical data because the researcher can simply use the database program to sum the columns of the spreadsheet and then look for differences in the totals.

One of the best methods of checking for accuracy is to use a specialized computer program that cross-checks double-entered data for discrepancies.

Descriptive research methodology

Each descriptive statistic summarizes multiple discrete data points using a single number. They can tell the researcher the central tendency of the variable, meaning the average score of a participant on a given study measure.

The researcher can also determine the distribution of scores on a given study measure, or the range in which scores appear. Additionally, descriptive statistics can be used to tell the researcher the frequency with which certain responses or scores arise on a given study measure.

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This amount of information is not enough information to conclude that vision correction affects economic productivity. Inferential statistics are necessary to draw conclusions of this kind. This means that for the most part, if a person is tall, they are likely to have a large shoe size, and conversely, if they are short, they are likely to have a smaller shoe size.

Correlation can also be negative. For example, warmer temperatures outside may be negatively correlated with the number of hot chocolates sold at a local coffee shop. This is to say that as the temperature goes up, hot chocolate sales tend to go down.

Although causality may seem to be implied in this situation, it is important to note that on a statistical level, correlation does not imply causation. A good researcher knows that there is no way to assess from correlation alone that a causal relationship exists between two variables.

Determining causation is a difficult thing to do, and it is a common mistake to assert a cause-and-effect relationship when the study methodology does not support this assertion.

Descriptive research methodology

Inferential Statistics Inferential statistics allow the researcher to begin making inferences about the hypothesis based on the data collected. This means that, while applying inferential statistics to data, the researcher is coming to conclusions about the population at large.

Inferential statistics seek to generalize beyond the data in the study to find patterns that ostensibly exist in the target population. This course will not address the specific types of inferential statistics available to the researcher, but a succinct and very useful summary of them, complete with step-by-step examples and helpful descriptions, is available here.

This difference must be due to the manipulation of the independent variable. No matter how well a researcher designs the study, there always exists a degree of error in the results.

Statistical significance is aimed at determining the probability that the observed result of a study was due to the influence of something other than chance.What is the basic methodology for a quantitative research design? The overall structure for a quantitative design is based in the scientific method.

Descriptive research is a study designed to depict the participants in an accurate way. More simply put, descriptive research is all about describing people who .

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By Jamie Hale, M.S. ~ 2 min read There are three main types of descriptive. 6 PRREEFFAACCEE The authors felt during their several years of teaching experience that students fail to understand the books written on Research Methodology.

Research Methodology in all disciplines of various universities. It is hoped that the book shall provide guidelines to all interested in research studies of one sort or the other.

vii Health research methodology: A guide for training in research methods INTRODUCTION This is a revised version of an earlier manual on Health Research Methodology and deals with the basic concepts and principles.

The 3 Basic Types of Descriptive Research Methods