Answer:
Contemporary settlements and farming practices currently threaten the lifestyle of the Hadza. They have lost between 75 percent and 90 percent of their land over the past 50 years. In the Yaeda Valley of Tanzania, women and children set out to collect tubers, a staple food of the Hadza people.
Explanation:
Answer:Validity
Explanation:
Validity is measure of how valid the research is which means it gives solid relevant result which were initially intended. It is a test of how valid both your design and method of the research is.
There are various factors that can affect validity of the research.
There are internal factors that can affect validity of the research those are the ones that occur within the study such as failure to monitor vital variables of the study or using the inaccurate instrument to gather the needed data.
Below are the factors that has an impact on internal validity.
-size of the studied population
-instruments used
-history
-subject variability
-available time to gather data
- attrition
External validity are affected by the external factors such as the place where you conduct your research which may restrict the ability to obtain actual results . It can also be affected by the things like not being able to balance your subjects for example focusing on one gender and race eventhough your research is about all the types of people at large.
Crucial factors that affects external validity.
- The effect of time
- method use to collect data
- characteristics of the chosen population
- experiment effect
- interaction of subject selection
Answer:
The correct answer is A. Coaches of professional sports teams plan strategy and players execute that strategy in games.
Explanation:
Division of labor refers to a situation where a specific job is given to more than one person to carry out. In all human activities in a society, there is an iota of a division of labor and this is so that there will be a smooth running of things to yield good and fast results. There is a division of labor in the restaurant, in an organization, at school, etc.
This how you identify the presence of a division of labor. For instance, in the construction of a building, 50 workers are having their separate duties concerning one job. One is in charge of mixing building materials, another is in charge of fixing the blocks and so on.
Given the above, option A is the answer.
Answer:
Explanation:
A on quizlet pay less interest in the long run.
Modernization of Japan’s industry helped the country become politically and financially stronger.
