. Randomization.... eliminate bias
. Replication
. Blocking ( Local control).... reduces variability
In a properly designed experiment, it is important to have at least 2 controlled variables. With two variables you are able to remove one at a time and see the effect in your setup.
All properly-designed experiments should have some sort of control.
It shows that the experiment is designed properly.
There are multiple trials conducted, and the procedure for collecting data is properly designed.
Some ice boxes are designed to periodically defrost themselves so that they do not become solid masses of ice. Others just are not working properly or have not been set to the right temperature.
You doing your homework, eh? It is well designed because your food needs to be processed properly, and to be processed properly it needs chewing.
If its designed properly.
One
Experimental material typically refers to items or substances used in scientific experiments to test hypotheses or theories. These materials can include chemicals, biological samples, equipment, and any other physical components necessary for conducting an experiment. It is important to handle and store experimental materials properly to ensure the accuracy and repeatability of experimental results.
You didn't quote it properly. the actual quote was 'important principles may and must be inflexible', and it was made by Abraham Lincoln.
The must-have bike essentials for a safe and enjoyable ride include a properly fitting helmet, front and rear lights for visibility, a bike lock for security, a tire pump and repair kit for emergencies, and water and snacks for sustenance.
Toddlers need essentials like a properly fitted child restraint system, snacks, toys, and comfort items to fly comfortably and safely. It's important to follow airline guidelines and prepare for potential challenges during the flight.
In a properly designed experiment, it is important to have at least 2 controlled variables. With two variables you are able to remove one at a time and see the effect in your setup.
If designed properly, indefinitely.
Why are there no questions about Pokemon essentials? I can't get mine to generate maps properly!http://img412.imageshack.us/img412/8181/iregmap.png
All devices can work, if they are designed properly and are well-maintained.
No, fire extinguishers are typically designed for multiple uses as long as they are properly maintained and have not expired.