Quantitative research is the numerical representation and manipulation of observations for the purpose of describing and explaining the phenomena that those observations reflect. Many of the benefits and limitations of the specific descriptive research methods have been alluded to in previous modules in this series following is a summary regarding both the advantages and the disadvantages of using descriptive research methodology in general. Descriptive research ascertains prevailing conditions of facts in a group or case under study it gives either a qualitative or quantitative, or both, description of the general characteristics of the group or case under study. Descriptive research design is a valid method for researching specific subjects and as a precursor to more quantitative studies whilst there are some valid concerns about the statistical validity , as long as the limitations are understood by the researcher, this type of study is an invaluable scientific tool.
Step'by-step guide to critiquing research part 1: quantitative research michaei coughian, patricia cronin, frances ryan abstract when caring for patients it is essential that nurses are using the. The major difference between exploratory and descriptive research is that exploratory research is one which aims at providing insights into and comprehension of the problem faced by the researcher descriptive research on the other hand, aims at describing something, mainly functions and characteristics. Description of the data collected in research is an important component for both the researcher and the reader in both quantitative and qualitative analysis, the reduction of a large amount of data to an easily digestible summary is an important function. Descriptive research can be explained as a statement of affairs as they are at present with the researcher having no control over variable moreover, descriptive studies may be characterised as simply the attempt to determine, describe or identify what is, while analytical research attempts to.
Clearinghouse for labor operational guidelines for quantitative descriptive studies evaluation and research july 31, 2014 1 guidelines for reviewing quantitative descriptive studies. Descriptive research methods are pretty much as they sound -- they describe situations they do not make accurate predictions, and they do not determine cause and effect. For me, descriptive research is about describing data you have already collected for quantitative data this will involve tables, charts, summary statistics and an informal interpretation.
The purpose of this article is to introduce you to the three different types of quantitative research question (ie, descriptive, comparative and relationship-based research questions) so that you can understand what type(s) of quantitative research question you want to create in your dissertation. A definition of research research is a process of steps used to collect and analyze information in order to increase our understanding of a topic or. Descriptive research plays an important role in educational research because it has greatly increased our knowledge about what happens in the classroom what is descriptive research descriptive research can involve collecting quantitative information, or it can describe categories of information such as patterns of interaction when using technology in the classroom. Formulating a quantitative research question can often be a difficult task when composing a research question, a researcher needs to determine if they want to describe data, compare differences among groups, assess a relationship, or determine if a set of variables predict another variable the. While defining quantitative and qualitative research based on their uses and purposes may be considered a practical approach for researcher, the difference actually lies on their roots: quality and quantity.
Quantitative descriptive analysis (qda) is a registered trademark with the united states patent and trademark office the term was coined by herbert stone (a food scientist) and joel l sidel (a psychologist)  in 1974 while at the stanford research institute, (now known as sri international (sri) . Quantitative research designs are either descriptive or experimental descriptive designs are where you measure an association between two variables (independent and dependent variables ) sample sizes are typically large. Quantitative research consists of research that counts, enumerates and mathematically analyzes certain features of a problem of interest there are two main kinds, descriptive and inferential in descriptive research, we generally conduct tests on the entirety of a population, in cases where this is small enough to be practical.
Quantitative studies: descriptive/survey, causal-comparative, correlational, experimental descriptive/survey causal-comparative correlational experiment purpose to describe current conditions to explore relationships among. Research is the most widely used tool to increase and brush-up the stock of knowledge about something and someone in the field of marketing, business, sociology, psychology, science & technology, economics, etc there are two standard ways of conducting research, ie qualitative research or quantitative research. Descriptive research helps fill in the research community's understanding of the initial exploratory studies last is explanatory research , which attempts to connect ideas to understand cause and.
A descriptive, survey research study of the student characteristics influencing the four theoretical sources of mathematical self-efficacy of college freshmen. Descriptive research does not fit neatly into the definition of either quantitative or qualitative research methodologies, but instead it can utilize elements of both, often within the same study the term descriptive research refers to the type of research question, design, and data analysis that will be applied to a given topic.
Quantitative approaches to conducting educational research differ in numerous ways from the qualitative methods we discussed in chapter 6 you will learn about these characteristics, the quantitative research process, and the. Research questions in the empirical process set the stage for an entire study for this reason, it is critically important that the research questions of any study are worded in a way that allows a researcher to answer the questions clearly and succinctly. Quantitative and qualitative research traditions, data collection often differs dramatically there is a difference in the format of the data, but also in the general strategy for obtain- ing the data.