Question
There are many different types of scientific investigations. Which of the following forms requires the identification and control of variables?
A.
laboratory experiments
B.
observational field studies
C.
model-building
D.
collection of specimens
A.
laboratory experiments
B.
observational field studies
C.
model-building
D.
collection of specimens
Answers
GPT-4o mini
The form that requires the identification and control of variables is:
**A. laboratory experiments**
Laboratory experiments typically involve manipulating one or more independent variables while controlling others to observe the effect on dependent variables, allowing for a controlled environment to draw conclusions about cause-and-effect relationships.
**A. laboratory experiments**
Laboratory experiments typically involve manipulating one or more independent variables while controlling others to observe the effect on dependent variables, allowing for a controlled environment to draw conclusions about cause-and-effect relationships.