Answer:
concern over germs
Explanation:
Contamination is a type of OCD characterized by obsessive concern about germs.
<span>The main features of advancing industrialism in the west was the invention of rail roads, telephone, camera, electricity and so on. In short it lead to technological advancement.</span>
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 answer is the items at the end of the list.
Explanation:
The student in the example is more likely to remember the items at the end of the list, due to a phenomenon called the recency effect: we will remember best the most recent information. At the same time, this is related to the serial-position effect, which states that the order of the items in a list influences the way we remember them. More specifically, <u>we remember items at the end and the beginning more easily</u>.
