Hartsfield-Jackson International Airport originally opened in 1926, now employs approximately 55,300 people including: transportation, concessionaire, security, federal government, and city employees.
The bystander effect refers to the tendency for an observer of an emergency to withhold aid if the: environment has other people who are present in it.
The Bystander effect was proposed by Social Psychologists John M. Darley and Bibb Latane in the year 1968. It propounds that a person is most likely going to withhold aid from others if there are other people present in the environment.
The research was borne from the murder of Kitty Genovese. People's reactions to helping others in emergency situations.
It was seen that the presence of people limited people's ability to help.
Learn more about the Bystander Effect here:
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The correct answer is a longitudinal study.
A longitudinal study refers to a research study, where a group of participants are monitored or studied over the span of a couple of years. Longitudinal studies are useful when investigating the development of individuals during their lifespan. In this instance, Dr. Davis is using a longitudinal study to determine how puberty affects adjustment by studying <span>a group of 100 junior high school students over the course of three years, and conducting surveys to measure their adjustment over the years. </span>
Answer:
<em>The answer is D: A selection-maturation effect.</em>
Explanation:
<em>The fact that the experimentation group in the posttest showed Improvements indicates that time was needed to evaluate the effect of the independent variable on the progress or development of this experimental group.</em>
