Unit 3 - Topic 2 - Experimentation - Section B - Experimental Design - Part III - Controls Flashcards
1
Q
What are control results used for
A
Control results are used for comparison with the results of treatment groups
2
Q
What is a negative control
A
The negative control provides results in the absence of a treatment
3
Q
What is a positive control
A
A positive control is a treatment that is included to check that the system can detect a positive result when it occurs
4
Q
How can placebos be introduced
A
Placebos can be included as a treatment without the presence of the independent variable being investigated
5
Q
What is the placebo effect
A
Placebo effect is a measurable change in the dependent variable as a result of a patient’s expectations, rather than changes in the independent variable.
