How to Replace Thinkpad Clock Batteries. When a computer is turned off and the battery is drained, important information like the date and time is kept intact by using the power in the computer's backup battery, also known as a CMOS battery. If you use your ThinkPad for business, it is important that you replace the battery as soon as possible once it fails.
The scientific definition of research generally states that in an experiment, a variable must be manipulated. Qualitative research, however, may rely on case studies and purely observational science, and this approach has its own merits and drawbacks..
Empirical research is a type of research that is done either through oneâs experience, direct observation, or experiment. Without these basic principles, a research may not be classified as empirical. If the research is done this way, one should easily be able to answer his/her own questions with corresponding evidence.