Which of the following would be considered a source of error in an experiment answers com?
In a scientific experiment, a source of error is something that could have caused you to obtain an incorrect result. If you accidently pour 32 liters of water when you meant to pour 30, that would be a source of error, because it would give you the incorrect result.
Why are data tables used in a controlled experiment?
To help organize data and record information. …
Which variable is being tested in this experiment?
The dependent variable is the variable that is being measured or tested in an experiment.
What is one factor that will be different between the experimental group and the control group?
The control group and experimental group are compared against each other in an experiment. The only difference between the two groups is that the independent variable is changed in the experimental group. The independent variable is “controlled” or held constant in the control group.
Why is the control group important?
The control group consists of elements that present exactly the same characteristics of the experimental group, except for the variable applied to the latter. This group of scientific control enables the experimental study of one variable at a time, and it is an essential part of the scientific method.
How does a control group increase validity?
Control groups help ensure the internal validity of your research. You might see a difference over time in your dependent variable in your treatment group. It is possible that the change is due to some other variables.
What is an uncontrolled experiment?
A study in which all the participants are given a treatment and simply followed for a period of time to see if they improve, with no comparison against another group (control group) that is either taking another treatment or no treatment at all.
What are examples of uncontrolled variables in an experiment?
a characteristic factor that is not regulated or measured by the investigator during an experiment or study, so that it is not the same for all participants in the research. For example, if the investigator collects data on participants with varying levels of education, then education is an uncontrolled variable.
What are uncontrolled factors?
Uncontrolled Factors. Uncontrolled Factors. Description: The argument draws a conclusion based on a comparison between two (or more) groups, even though some important difference between the groups, other than the difference specified by the experiment, may be responsible for the results obtained.
What are the 4 types of experiments?
Experimental Method
- Lab Experiment. Lab Experiment. A laboratory experiment is an experiment conducted under highly controlled conditions (not necessarily a laboratory), where accurate measurements are possible.
- Field Experiment. Field Experiment.
- Natural Experiment. Natural Experiment.