Answer:
A. Observational study
Explanation:
An observational study measures the characteristics of a population by studying individuals in a sample, but does not attempt to manipulate or influence the variables of interest.
A designed experiment applies a treatment to individuals (referred to as experimental units or subjects) and attempts to isolate the effects of the treatment on a response variable.
Hence, we can see that proposed study is observational.
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Answer: d. less need for union protection
Explanation: Union protection are requested by employees in organisations the management policies are not ,fair and consistent for better relationship with workers, companies must adopt fair and consistent company policies. When employees get adequate compensation and fair welfare and compensation system generally feel and believe their job is secured.
Employees only need union protection when the policies of the management is not fair and consistent.
Answer:
The three stages of state-run production are readily seen with the three product curves-- total product, average product, and marginal product.
The study of similarities and differences among consumers in two or more nations or societies is referred to as cross-cultural analysis.