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In descriptive studies, a variable is any characteristic, trait, or feature that can be measured or observed and can vary among subjects or over time. Variables can be classified into different types, such as categorical (e.g., gender, ethnicity) or continuous (e.g., age, income). Descriptive studies often aim to summarize and describe the characteristics of a population based on these variables without manipulating them. This helps in understanding patterns and trends within the data.
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What is the meaning of manipulated or independent variable?
A manipulated variable, also known as an independent variable, is the factor in an experiment that is intentionally changed or controlled by the researcher to observe its effect on another variable. This variable is crucial for establishing cause-and-effect relationships in scientific studies. By altering the manipulated variable, researchers can measure how it impacts the dependent variable, which is the outcome being tested.
What type of research has one more variable deliberately changed?
Experiments are the type of research where one variable is deliberately changed, known as the independent variable, to observe its effect on another variable, called the dependent variable. This controlled approach allows researchers to establish cause-and-effect relationships. In contrast, observational studies do not involve manipulation of variables.
How do you determine a valid variable name?
A valid variable name must start with a letter (a-z, A-Z) or an underscore (_) and can be followed by letters, digits (0-9), or underscores. It cannot contain spaces, special characters, or begin with a digit. Additionally, variable names should not be a reserved keyword in the programming language being used. It's also a good practice to use descriptive names that convey the purpose of the variable.
What does independent or manipulated mean?
In research and experimentation, "independent" or "manipulated" refers to the variable that is intentionally changed or controlled by the researcher to observe its effect on another variable. This variable is considered independent because its variation is not influenced by other variables in the experiment. It is crucial for establishing cause-and-effect relationships in scientific studies.
Where can the independent and dependent variables be found?
Independent variables are typically found on the x-axis of a graph or table, as they are the factors that are manipulated or controlled in an experiment to observe their effect on the dependent variable. Dependent variables are found on the y-axis, representing the outcomes or responses that are measured as a result of changes in the independent variable. In research studies, the independent variable is what the researcher changes, while the dependent variable is what is measured to assess the impact of those changes.
Types of descriptive studies?
Descriptive studies for case-control.
What is descriptive variable?
A variable is a measured quantity In the context of survey research, a descriptive variable is one that is just to be reported on, with no conclusions drawn about influence or causality eg. place of birth may be a descriptive variable where we just thought was something interesting to put in the report.
Are descriptive studies qualitative or quantitative in nature?
Descriptive studies can be both qualitative and quantitative in nature. Qualitative descriptive studies focus on exploring and understanding phenomena through words and descriptions, while quantitative descriptive studies involve collecting and analyzing numerical data to describe a phenomenon.
What is an example of a descriptive variable?
The colour of your hair, the district that you live in, your gender.
What questions are descriptive studies designed to answer?
Descriptive studies are designed to answer questions related to the "who," "what," "where," and "when" of a phenomenon. They aim to provide a detailed account of characteristics or behaviors within a specific population, such as prevalence rates, demographic information, and trends over time. Unlike experimental studies, descriptive studies do not assess causal relationships but focus on outlining patterns and associations in the data.
What is a control variable in research studies?
A control variable is a variable that is held constant in a research analysis.
What are the different types of scientific investigations?
The different types of scientific investigations include descriptive studies, experimental studies, observational studies, and theoretical studies. Descriptive studies aim to describe a phenomenon, experimental studies involve manipulating variables to test hypotheses, observational studies involve observing and analyzing data without intervening, and theoretical studies involve developing and testing models or theories.
What is a qualitative variable in statistics?
A variable that is not numerical but descriptive or categoric. Answers to what colour is your car, what is your favourite fruit/ band/ movie, your gender: male/female,
Difference of descriptive statistics and inferential statistics?
Descriptive statistics label, name, or give information about a variable. Inferential stats are inferred from a smaller data set to be valid for the whole population.
In social work studies testing hypotheses invoiving the variable level of social functioning that variable is?
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What are the different types of descriptive research designs used in social science research?
The different types of descriptive research designs used in social science research include observational studies, surveys, case studies, and correlational studies. These designs aim to describe and analyze the characteristics of a population or phenomenon without manipulating variables.
Main Examination (Mains)?
Descriptive-type papers, including General Studies, Optional Subject, and Essay.
