Answer:
C. peripartum onset.
Explanation:
Peripartum depression is a depression that develops during pregnancy or during childbirth. The use of the word peripartum reflects the stress associated with raising a child frequently occurs during pregnancy. It affects women, children, and families. Treatment depends on the severity of the symptoms and the level of functional dysfunction, which can require medical care, psychotherapy which pharmacotherapy. As per the question, the irritable behavior of Martha since the birth of her children reflects peripartum onset.
The given statement, "every element of the total population has an equal probability of being selected," is a false statement regarding cluster sampling.
In cluster sampling, we divide a population into clusters, which are smaller groups, then we choose a sample at random from these clusters.
Often employed to investigate huge populations, particularly those extensively geographically distributed, cluster sampling is a probability sampling technique.
The terms "simple random sample" and "simple random sampling" refer to situations where each subject in the population shows an equal chance of being selected for the sample.
The given question is incomplete, the complete question is
Select the statement regarding cluster sampling that is false.
a) Every element of the total population has an equal probability of being selected.
b) Every element of some groups is included in the sample.
c) Some of the groups are randomly selected.
d) The total population is divided into groups.
To learn more about cluster sampling here
brainly.com/question/20432243
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