3.1 a. anecdotal evidence because it uses a less formal type of research.
3.1 b. Descriptive
3.15. a. Balance opinion questions
3.15 b. unbalanced opinion questions
3. 15 c. The questions would be unbalanced if they were four. They should be five to have a tie breaker.
3.22 a. Average or a scale of 3 out of 5
3.22 b. Overestimated
3.22. c. Means
3. 30-1 a. Experimental.
3. 30-1 b. anecdotal evidence because it will relies heavily on evidence collected from personal testimonies that cannot be relied as credible.
3. 30-1 c. The research will categorize the study and control population depending on their age group or gap.
3. 30-1 .d. Categorical
3. 30-1 e. Moderate walking
3. 30-2 quantitative
3. 30-2 f. Proportion …show more content…
Quantitative because you can quantify the results from the experiment.
3.68 d. Eating oatmeal helped reduce the cholesterol level in people.
3.68 e. Categorical because you cannot there is no clear evidence of reduced cholesterol as direct result from the experiment.
3.68 f. The treatment group was composed of different people from Lafayette who voluntarily accepted a challenge to participate in an experiment.
3.68 g. Yes. This is because in an experiment that uses humans there must be a control group that shows the exact opposite of the experimental group so that we can tell if the experiment real did work.
3.68 h. Change of lifestyle. People were psychologically prepared to have a reduced cholesterol level which might have influenced their hormonal level resulting to reduced cholesterol levels. Also the stress level could have reduced during the experiment making them not to eat the normal calories of energy they consume each day.
3.68 i. Hawthorne effect.
3.68 j. No. The number of study population does not matter as much if it is collected from a random group.
3.68 k. The study should include more people from different pace, different age groups, different weight, and a control group with similar characteristics such that the control group will be used to determine the effectiveness of the other group and the