1. The scientific research process involves 8 steps: identifying a problem, reviewing literature, clarifying the problem, defining terms, defining the population, developing an instrumentation plan, collecting data, and analyzing data.
2. An example study examines childhood obesity, with the problem being identified as high obesity rates. Literature is reviewed on obesity statistics and potential solutions like walking. The problem is clarified to focus on whether walking 10,000 steps improves individual health.
3. The study population is defined as children ages 10-12. Data on weight, body fat, and cholesterol is collected before and after a walking program to analyze the effects of the program.