Answer:
Internal validity.
Explanation:
Internal validity is the study in which trust relationship is build between treatment and outcome. This relationship is known as <em>cause-and-effect. </em>
In this type research, the studies are based on whether the finding is questionable or not. The research which can overrule the possibility of alternative explanations of our findings is internally valid.
The threats of internal valid study are:
- <u>Natural Improvement </u>
- <u>Maturation</u>
- <u>Historical Events</u>
- <u>Placebo effects</u>
- <u>Nonspecific effects</u>.
So, the correct answer is 'Internal validity'.
Answer:
John Brown invented the telescoping bolt, then integrating the bolt and barrel shroud into what is known as the pistol slide. Browning's telescoping bolt design is now found on nearly every modern semi-automatic pistol, as well as several modern fully automatic weapons.
Explanation:
I'm don't know which John brown you're talking about but I'm guessing this on. The one that I research was the one that started browning. Browning is a firearm and ammunition company.
<span>i would of said a milliner but since it is a six letter word i would say a hatter</span>
Answer:
This is an example of:
B. lowering prices for customers.
Explanation:
<u>In a competitive market, it is common for companies to try and offer a cheaper product. In most situations, being cheaper means the product has more chances of attracting customers when compared to expensive ones. A way to make a cheaper product is by decreasing production costs using cheaper materials, as is mentioned in the question.</u> Of course, the product will have its price lowered, but its quality may also decrease with the use of a cheaper material. Anyway, the situation described is an example of lowering prices for customers.
I really wish you provided the research study. I would be happy to answer. It should be attached to wherever you found this question. Hope this helps :)