Qualitative research is interpretive, which involves

using only rating scales
quantifying non-numerical data.
using objective measurements.
extracting information from non-numerical data.

Which of the following is the most difficult part of conducting research over the internet?

1. informed consent
2. privacy
3. debriefing
4. confidentiality

What is the main difference between descriptive and experimental research approaches?

1. the former always uses qualitative data while the latter always uses quantitative data
2. descriptive research is done by social scientists while natural scientists do experimental research
3. descriptive research involves manipulating variables but experimental research doesnot
4. experimental research is designed to establish cause-and-effect relationships but descriptive research focuses on describing something

Theory plays an important role in science. Which of the following is NOT generally seen as a function of theory?

1. stating a scientist's philosophy about the world
2. summarizing a group of related facts into a coherent statement
3. integrating groups of facts into a whole
4. generating new hypotheses for experiments

Which of the characteristics of scientific research indicates the reliability of operational definitions?

1. meta-analysis
2. control
3. placebo
4. replication