In some research, the researchers are not able to use random assignments to divide participants among groups. Instead, they compare preexisting groups, which results in a quasi-experimental design.
Random assignments are those which are given as a matter of chance to ensure fairness and equal opportunity for all participants. Here participants forming multiple groups are with similar characteristics. So all groups are the same at the start of the experiment.
A quasi-experimental design applies a non-random method, and subjects are assigned to preexisting groups. There are some situations where true experiments can't be used for practical reasons. In such cases, a quasi-experimental design is a suitable tool.
To learn more about quasi experimental design here
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Answer: AD (Anno Domini) is Latin for "in the year of the Lord" referring to the birth of Jesus Christ.
The last one is the answer hope that helps
Answer:
Internal,global,stable factor
Explanation:
Learned helplessness is a behavior exhibited by a subject after enduring repeated aversive stimuli beyond their ability to control, it can increase a person's risk of depression and can have a profound impact on mental health and well being. For example an individual who perform poorly in an examination might quickly begin to feel that nothing he or she does will have or could had had any effect on their performance.
It is a stimuli that are painful or otherwise unpleasant and become unable or might be unwilling to avoid subsequent encounter with those stimuli;as in the case of the young woman who believes that everything negative that happens to her is her own fault, that she ruins everything
