Answer:
B. External validity
Explanation:
External validity- It refers to the extent through which a conclusion made from the research study can be generalized to the person outside the study.
Generalization is of three types: environmental, temporal, and population.
Threats to external validity:
1. History effects & maturation.
2. Selection biases.
3. Constructs, confounding, and methods.
4. The 'experimental world' versus the 'real world'.
Answer:
Part of mental health is how well your mind processes and understands information and experiences. In contrast, emotional health involves your ability to manage and express the emotions that arise from what you have learned and experienced
Explanation:
Cornelius Vanderbilt. He was a great during and after the Industrial Revolution. He made a great amount of money with his railroads.
Andrew Carnegie- he was known for his steel works.
Though for whoever made this question it would have good to make one of the answer choices Rockefeller another great during those times. For he was known to work with Vanderbilt at one time.
The other choices I have no voice on them.
These lines are called cross-contour lines.
Cross-contour lines are used in making nice pieces of art but most importantly they are a huge helping tool. These cross-contour lines can help people understand the solid form and the appearance of object from different perspectives and vantage points. Thus they are invaluable learning tool.
Analysis should follow <span>hypothesis.</span>