DENDROLOGY

TREE PHYSIOLOGY

PHOTOSYNTHESIS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What is the independent variable in an experiment?
A
the variable the experimenter has control over
B
the data the experimenter is collecting
C
factors that do not change over the course of the experiment
D
None of the above
Explanation: 

Detailed explanation-1: -The independent variable is the variable the experimenter manipulates or changes and is assumed to directly affect the dependent variable. For example, allocating participants to drug or placebo conditions (independent variable) to measure any changes in the intensity of their anxiety (dependent variable).

Detailed explanation-2: -Identify the variables Independent variable – the variable that is altered during a scientific experiment. Dependent variable – the variable being tested or measured during a scientific experiment. Controlled variable – a variable that is kept the same during a scientific experiment.

Detailed explanation-3: -An independent variable is the variable you manipulate, control, or vary in an experimental study to explore its effects. It’s called “independent” because it’s not influenced by any other variables in the study. Independent variables are also called: Explanatory variables (they explain an event or outcome)

There is 1 question to complete.