SCI110 tutorials
Preface
1 Teaching Week 1: tutorial
2 Teaching Week 2: tutorial
3 Teaching Week 3: tutorial
4 Teaching Week 4: tutorial
5 Teaching Week 5: tutorial
6 Teaching Week 6: tutorial
7 Teaching Week 7: tutorial
8 Teaching Week 8: tutorial
9 Teaching Week 9: tutorial
10 Teaching Week 10: tutorial
11 Teaching Week 11: Tutorial
12 Teaching Week 12: Tutorial
Appendices
A Answers for exercises
B Appendix: Tables
C Appendix: Image credits
D Thoughts for teaching
References
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Science Research Methods: Tutorials

2.1 Quick revision

We strongly recommend trying these Quick revision questions before your tutorial.

Consider this (qualitative) RQ: 'What factors are preventing the adoption of household solar technologies in Santiago [Chile]?' (Walters et al. 2018).

For this RQ, what is the Population?
Households Households in Chile Households in Santiago Solar technologies
The study will be externally valid if:
the sample is representative of all households in the world the sample is representative of all solar technologies the sample is representative of all households in Santiago the sample is representative of all households in Chile

Suppose the researchers mailed surveys to all households in Santiago, and people returned the survey if they wished to. What is the best description of this sampling method?

Self-selecting Systematic Convenience
Suppose the researchers randomly selected five suburbs in Santiago; then ten streets within each of these suburbs; then ten households within each of these streets. What is the best description of this sampling method?

Multi-stage Systematic Stratified

The RQ states that only households in Santiago will be studied.
External validity means that the sample represents the intended population (i.e., households in Santiago).
Since people only return the survey if they want to, this is self-selecting.
There are multiple stages of random selection, so this is multi-stage.

Free Online Poll Maker

References

Walters JP, Kaminsky J, Huepe C. Factors influencing household solar adoption in Santiago, Chile. Journal of Construction Engineering and Management. American Society of Civil Engineers; 2018;144(6):05018004.