Observation Studies, Experiments, Surveys, questionnaires, Measurement and measurement scale 

Assignment
Q1) Explain observation and experimentation with help of an example.

Q2) What are different sources of secondary data information?

Q3) Describe the different types of measurement scales.

NB:
Use appropriate references.
Write all answers in one word file.

My Comment: you can use Google search because you don't have access for saudi electronic Library BUT I need to use these techniques when you use google.

1-Quoting: Take the original text using own text as it is and put it between quotation marks.

2- Paraphrasing: Rewrite the original text using own words.

3- Summarizing: Rewrite the original text focusing on the main idea only; using your own words.