The independent variable is the variable that is controlled and manipulated by the experimenter
. … The dependent variable is the variable that is measured by the experimenter.
What is independent variable in psychology?
The independent variable (IV) is
the characteristic of a psychology experiment that is manipulated or changed by researchers
, not by other variables in the experiment. For example, in an experiment looking at the effects of studying on test scores, studying would be the independent variable.
What is an independent vs dependent variable?
Independent variables are
what we expect will influence dependent variables
. A Dependent variable is what happens as a result of the independent variable. … A confounding variable, or confounder, affects the relationship between the independent and dependent variables.
What is the difference between dependent and independent variable in research?
The independent variable is the variable the experimenter manipulates or changes, and is assumed to have a direct effect on the
dependent
variable. … The dependent variable is the variable being tested and measured in an experiment, and is ‘dependent’ on the independent variable.
What are some examples of independent and dependent variables?
Independent variable causes an effect on the dependent variable. Example:
How long you sleep (independent variable) affects your test score
(dependent variable). This makes sense, but: Example: Your test score affects how long you sleep.
How do you identify an independent variable?
Answer: An independent variable is exactly what it sounds like. It is a variable that stands alone and isn’t changed by the other variables you are trying to measure. For example, someone’s age might be an independent variable.
What is an example of an independent variable in psychology?
The independent variable is the variable that is controlled and manipulated by the experimenter. For example, in an
experiment on the impact of sleep deprivation on test performance
, sleep deprivation would be the independent variable. The dependent variable is the variable that is measured by the experimenter.
What are the 3 types of variables?
These changing quantities are called variables. A variable is any factor, trait, or condition that can exist in differing amounts or types. An experiment usually has three kinds of variables:
independent, dependent, and controlled
.
Which is the dependent variable?
The dependent variable is
the variable that is being measured or tested in an experiment
. … The dependent variable is dubbed dependent because it is thought to depend in some way on the variations of the independent variable.
Is temperature an independent variable?
For example when examining the influence of temperature on photosynthesis,
temperature is the independent variable because it does not dependent upon
photosynthetic rate. … The dependent variable is dependent upon changes in the independent variable. For example, photosynthesis is dependent upon temperature.
How do you remember the difference between independent and dependent variables?
An easy way to remember the difference between independent and dependent variables is
to insert the two variables into
the following sentence in such a way that it makes sense: Changing (independent variable) affects the value of (dependent variable).
What is the similarities of independent and dependent variable?
These two variables are used alongside each other, and a change in the independent variable will translate to a change in the dependent variable. That is, they are
similar in the sense that they change at the same time
. These changes may, however, occur in the opposite direction to each other.
What is dependent and independent variable in qualitative research?
The independent variable is the variable that is being manipulated, or the one that varies. It is sometimes called the ‘predictor’ or ‘treatment’ variable. The
dependent variable is the outcome (or response) variable
.
What are the 5 types of variables?
- Independent variables. An independent variable is a singular characteristic that the other variables in your experiment cannot change. …
- Dependent variables. …
- Intervening variables. …
- Moderating variables. …
- Control variables. …
- Extraneous variables. …
- Quantitative variables. …
- Qualitative variables.
How do you manipulate independent variables?
Again, to manipulate an independent variable means
to change its level systematically
so that different groups of participants are exposed to different levels of that variable, or the same group of participants is exposed to different levels at different times.
Is time an independent variable?
Time is
a common independent variable
, as it will not be affeced by any dependent environemental inputs. Time can be treated as a controllable constant against which changes in a system can be measured.