Answer:
a. It was a qualitative, ethnographic study.
Explanation:
The research conducted by Niobe Way in 1998 is titled "Everyday courage: The lives and stories of urban teenagers" and is one of the most influential research studies in the fields of social, ethnic and racial studies involving young population and educational institutions. It was a qualitative, ethnographic study and the data was collected using interviews from a small sample population. Hence, option a stands correct and true out of the other options.
The correct answer is We can predict the time between eruptions will be 10.73 minutes and this can be stated with 0.901 probability.
Eruptions do not always produce symmetrical and imposing cones. Volcanic relief has varied shapes and we must analyze the properties of the lava and the conditions of spill occurrence to understand.
Answer: Public service announcement.
Explanation:
A public service announcement is a message in the public interest that is disseminated without charge and with the aim of raising awareness, changing public attitudes and the behavior of people towards a social issue.
In the United Kingdom, public service announcement is called public information films. The common topics discussed in public service announcements are safety and health related topics such as issues relating to obesity, gambling etc.
External validity
Sigmund freud's psychoanalytic theory was based primarily on descriptive data from a few case studies. Critics question how well the experiences of these unusual individuals represent others. The concern referred to is that this type of research may lack external validity.
External validity is the extent to which the information and theories of a study can be generalized to other conditions or to other people. People, places and times are the three major threats ( factors that could be wrong) to external validity
.
Answer:
Snowball sampling
Explanation:
Snowball sampling is one where the researcher gets a sample by asking participants in the study if they know other potential participants. The current participants refer new ones.
