The correct answer is D.
<u>It is an observational study</u><u> because the researcher is </u><u>NOT</u><u> manipulating the explanatory variable</u>, whether a person drinks green tea or not, in order to study the effect of the value it takes, over the dependent variable: LDL cholesterol level.
<u>In opposition, experimental studies manipulate the explanatory variable</u> in order to assess the effects caused on the dependent variable by such deviance.
Answer & Explanation:
'Identical twins separated at birth & raised apart' make an interesting subject for research :
- Gives insights into personality variation among twins, despite of having the same DNA
- Idea about 'Nature vs Nurture', to study how birth & environmental factors shape the cognitive & behavioural aspects of twins
- Analysis of heritability of traits, & factors affecting individual differences in ageing
Probable abuses due to inappropriate evaluation & conclusion of study :
- Intentional & wilful exposure to different environment for both the twins
- Psychological distress to a child if the child is raised in a separate, different environment.
Answer: Event Recording
Explanation:Event recording can be defined as a process by which an observer documents the number of times a behavior occurs. A tally/document is used by the observer using event recording for recording each time a student/individual involved in a target behavior. It should also be noted that the duration in which the behavior is being observed is recorded by the observer .
Answer:
Explanation:
Below is the correct step by step process in the digestion of protein from peanut butter sandwich.
1. Mechanical digestion in the mouth breaks down the food.
2. A bolus enters the stomach.
3. Hydrochloric acid denatures proteins and activates pepsinogen to form pepsin.
4. Pepsin breaks down proteins into polypeptide
strands.
5. Chyme travels from the stomach to the small intestine.
6. Enzymes from the pancreas are secreted into the small intestine.
7. Enzymes in the small intestine break down polypeptide strands into mostly tripeptides and dipeptides.
8. Tripeptides and dipeptides are broken down into single amino acids that
enter the blood and travel to the liver.
Answer: Short term; 7
Explanation:
The activity Tommy has been placed to carry out aims at testing His short term memory, If he's able to understand things instantly.
