Answer:
cross-sectional
Explanation:
cross-sectional study is a kind of study which investigate variables through analyzed the data collected in one specific time for a population. In this study, sample of participants are the same in all variables except one.
in the mentioned research, changing variable is age.
A principle of behavior describes a "functional relation" between behavior and one or more of its controlling variables.
A behavior refers to any detectable and quantifiable activity. There are many principles of behavior, A few standards of Behavior Analysis are: It is to a great extent a result of its condition, it is fortified or debilitated by its results, it reacts preferable to positive rather over negative results.
Answer:
(A.) sacraments
Explanation:
Sacraments is the category of religious ritual that exists, which differs from sacrifice and includes actions such as purification or commemorating myths.
The correct answer is "reciprocity."
Reciprocity signifies a mutual exchange in which both parties benefit. In this case, Maddie is one party, and her professor is the other party. Since Maddie is volunteering to work with participants in her professor's study, her professor is benefiting from this free work. To make this a reciprocal relationship, Maddie would then have to receive a benefit, such as extra credit on her grade.
Answer:
the Chinese ate cats and dogs and Russia ate 500 lbs weights
