Answer:
a. Selective attention/comprehension
Explanation:
Selective attention/comprehension -
It refers to some specific external factors , which alerts someone's attention , is referred to as Selective attention/comprehension .
The factors can be some external factors like some specific words , activities , situation etc.
Hence , from the given scenario of the question ,
The students gets distracted by the sound of the pencil on desk .
The correct answer is a. Selective attention/comprehension .
Because he divided the population into smaller groups and then randomly sampled each group, he would be using a stratified random sampling procedure.
Answer:
The correct answer to the following question will be "Cost-benefit analysis".
Explanation:
The cost-benefit analysis also referred to as Benefit-cost analysis, is a strategic approach to evaluating the weaknesses and strengths of approaches used only to define solutions that provide the best strategy for generating advantages while retaining costs.
This can be used to assess implemented or future actions or to measure the benefit of decision, initiative or program costs.
Therefore, this will be the right answer.
