RESEARCH METHODOLOGY

REPORTING AND THESIS WRITING

DETERMINING EXPERIMENTAL AND SAMPLE DESIGNS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What type of sampling is this? A journalist interviews all 123 people after they leave a restaurant and asks them how confident they are that the food is safe.
A
Random sample
B
Convenience sample
C
Stratified Random sample
D
Census
Explanation: 

Detailed explanation-1: -The sampling method is the one in which only some of the representative items of the population are selected and the data are collected from these. Instead of collecting information for and from all the units of population, we select a sample, i.e., only a few items of the population.

Detailed explanation-2: -Simple random sampling For example, every person within the group might be given a number and then a specific portion of these numbers is selected entirely at random (using a random number generator, drawing from a hat, etc.).

Detailed explanation-3: -Simple random sampling. In a simple random sample, every member of the population has an equal chance of being selected. Systematic sampling. Stratified sampling. Cluster sampling. 19-Sept-2019

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