this question is incomplete but I have added The Answer options to your question
a) He does not have a hypothesis.
b) He only has one group. He has not established a comparison
c) He has not measured an outcome.
d) The groups were not equal to begin with.
Answer:
b) He only has one group. He has not established a comparison
Explanation:
A randomized controlled experiment can be defined as an experiment that has two groups which it randomly assigns participants to.
These two groups are:
1.) the experimental group and
2.) The controlled group on whom the study is being performed.
Now Alberti does not have any of these groups we have listed. He performed the testing on the same people before they consumed alcohol and after they consumed alcohol. Therefore this study was not comparative in nature.
The first way to prevent bacteria - and you should have heard this a bunch growing up, to wash your hands every time you use the bathroom and before you eat. Washing your hands prevents bacteria and also prevents a person getting sick easily.
The second way to prevent bacteria is to wash items that are touched more commonly around your house frequently. These things include door handles, the keyboard on your computer (even the mouse), remote controllers...just items that are touched a lot around the house.
The third way to prevent bacteria is to keep an eye on new about food or water that is recalled. A bunch of food (and water) nowadays are getting recalled due to ingredients that are not necessary, or contaminated.
Answer:
A. Secure attachment
Explanation:
This is a classification by children who demonstrated uneasiness and form of distress in absence of their parents or care giver, but regained composure on the return.
such children have sense of protection towards their care givers and full dependency on them
secure attachment underscores the basis of parent- child relationship, and provided explanation for other behaviours that may emerge.
Which need is at the top of maslows hierarchy? D. it requires goals
