Mark Brainliest
A) Earth Day
This is a list of the Premiers of China from 1911–1912 during the Qing dynasty, 1912 onwards of the Republic of China and 1949 onwards of the People's Republic of China. The first recorded instance of a monarch of China appointing a chief minister was in around 1130 BC, by King Tang of the Shang dynasty.
She should most likely conduct a (B) cross-sectional study because it will demand less time than other types of studies.
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What is the cross-sectional study?</h3>
- A cross-sectional study is a type of observational research that analyzes data from variables collected at one point in time across a sample population or a pre-defined subset of the population.
- This type of study is also referred to as a cross-sectional analysis, a transverse study, or a prevalence study.
- A cross-sectional study design has the advantage of allowing researchers to compare multiple variables at the same time.
- With little or no additional cost, we could look at age, gender, income, and educational level in relation to walking and cholesterol levels.
- Cross-sectional studies examine a population at a single point in time, similar to taking a slice or cross-section of a group, and variables for each participant are recorded.
Therefore, she should most likely conduct a (B) cross-sectional study because it will demand less time than other types of studies.
Know more about the cross-sectional study here:
brainly.com/question/10879218
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The correct question is given below:
A friend wants to explore age differences in happiness for her Ph.D. thesis. She should MOST likely conduct a:
A) longitudinal study, because it is easier to carry out than other types of studies.
B) cross-sectional study, because it will demand less time than other types of studies.
C) cross-sectional study because it will allow her to find out which people get happier over time.
D) longitudinal study, because it will be more accurate than other types of studies.
The answer is A. a single Slavic Group
The reason being is the most people in Europe speak Russian which falls into the Slavic category