Applied Business Research and Analysis Sampling and Sampling Methods- Lecture Materials edited / prepared by Dr. Norman Peng Learning objectives • To understand the need for sampling • To understand probability and non-probability sampling methods • To understand the characteristics of different sampling methods • To identify the sampling methods used by researchers Before sampling… • Population – Can we get everyone’s opinion / input? – Do we need to ask everyone’s opinion / input? Sampling Sampling Saunders et al., (2013) Common probability sampling methods 1. Simple random a. Need good sampling frame Common probability sampling methods 2. Systematic Common probability sampling methods 3. Cluster a. Postcode, departments within a company Common probability sampling methods 4. Stratified a. Quite difficult to do b. http://www.bbc.co.uk/schools/gcsebitesize/maths/sta tistics/samplinghirev3.shtml Common probability sampling methods 1. Unbiased, but expensive 2. Geographically constrained area Youtube: -https://www.youtube.com/watch?v=be9eQ-jC-0 How many? Sample size calculator – https://www.surveymonkey.com/mp/sample-sizecalculator/ Common non-probability sampling methods 1. 2. 3. 4. Convenient Purposive Network (snowball) Quota Other things to consider Sampling Selecting a probability sample Note: Simple random sampling ideally requires a sample size of over a few hundred Saunders et al., (2013) Sampling Selecting a non-probability sampling technique Saunders et al., (2013) Where can you find sampling method/s? • Examples: – Kerrane, B., Bettany, S.M., and Kerrane, K. (2015),"Siblings as socialization agents", European Journal of Marketing, Vol.49, No.5/6, pp.713 – 735. – Luo, Y., and Deng, J. (2008), “The New Environmental Paradigm and naturebased tourism motivation”, Journal of Travel Research, Vol.46, No. May, pp.392-402. – Truong, Y., McColl, R. (2011), “Intrinsic motivations, self-esteem, and luxury goods consumption”, Journal of Retailing and Consumer Services, Vol.18, pp.555-561. – Chen, A., Peng, N., and Hung, K-P. (2015), “Managing salespeople strategically when promoting new products- Incorporating market orientation into a sales management control framework”, Industrial Marketing Management, Vol.47, pp.147-155. – Nam, J., Ekinci, Y., and Whyatt, G. (2011), “Brand equity, brand loyalty and consumer satisfaction”, Annals of Tourism Research, Vol.38, No.3, pp.10091030. GOOD LUCK with your Research!!!