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nata0808 [166]
3 years ago
8

Xiao is gathering research on the number of meals people eat. He gathers data about the number of daily meals eaten by 25 people

at each of the following ages-10, 20, 30, 40, 50, 60, and 70 years-over the course of one week and looks for developmental differences. What type of research design is Xiao using?
Social Studies
1 answer:
Alexeev081 [22]3 years ago
6 0

Xiao is using a 'Cross-Sectional' Study to look for developmental differences in each individual.

<u>Explanation:</u>

Cross-sectional study is used to investigate a “variable” which are the “developmental differences” and “number of meals eaten daily” here, in different groups i.e., the mentioned age groups who are related to other characteristics. This research includes a group of people who differ in numbers or variable of interest but there are some characteristics like educational background, socioeconomic status and ethnicity, are shared among them equally.

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Explanation:

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3 years ago
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Veda is in the lab and wants to do some imaging of participants memorizing picture cards. Because she doesn't have access to an
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Answer: Positron Emission Tomography (PET)

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So the next best technique Veda could use as she doesn't have access to an fMRI machine is the Positron Emission Tomography (PET).

Using this technique, the PET scanner can trace the special dyes contain radioactive tracer as they are more concentrated on areas or part of the organs with high chemical activities, this could help her get information about brain activity during the card task.

4 0
3 years ago
Like Edward Thorndike, Sally is primarily interested in studying nonreflexive behavior. However, she does not like Thorndike's r
vampirchik [111]

Answer: Sally should study the work of: "B.F. Skinner"

Explanation:

3 0
3 years ago
Read the passage and answer the question.
kotegsom [21]

The correct answer is A. Humanism led to a renaissance of classical learning.

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What demographic processes produce population aging?
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Demographic Transition

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