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Solnce55 [7]
3 years ago
10

A study was undertaken to test the hypothesis that chewing tobacco increases the risk of stomach cancer. Detailed historical dat

a on chewing tobacco use were collected from 400 subjects with newly diagnosed stomach cancer and 400 subjects without stomach cancer. The results revealed that chewing tobacco was not a significant risk factor for stomach cancer.A. Descriptive studyB. Ecological studyC. Cross-Sectional study D. Case-Control study E. Retrospective Cohort study
Social Studies
1 answer:
Sladkaya [172]3 years ago
3 0

Answer:

D. Case-Control Study

Explanation:

Case-Control Study: This study is also referred to as a case-referent study. The case-control study is one of the types of observational study that compares two different groups that vary in the outcome are compared and identified based on some causal attribute. It determines the process of exposure-related or associated with a particular outcome, for example, disease. In a case-control study, the cases and the controls are being identified and compared retrospectively.

                                       

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Option 4 is the correct answer in this context.

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3 years ago
In one of your economics classes, almost everyone participates and feels at ease sharing their ideas with the professor and othe
Firdavs [7]

Answer:

The answer is communication climate.

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4 years ago
A(n) _____ reinforcer is a stimulus added to the environment, like getting paid to work, that specifically brings about an incre
schepotkina [342]

Positive reinforcer

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I remember that positive reinforcer means you add or give something to encourage a behavior or whatever. That one is pretty easy to remember, but if you are learning about positive reinforcement I can assume that you are also learning about negative reinforcement and punishment. I would always get confused with negative reinforcement and punishment. They kind of sound like they should mean the same thing. In fact they don't! Negative reinforcer means something is taken away to encourage a behavior. This was an example that my psych teacher would give us if we were confused: if a mouse is part of an experiment that it will be continually shocked until it clicks a button. Once the mouse clicks the button the shock is TAKEN AWAY, therefore being negative reinforcement. Punishment is when something is done to try and stop a behavior

Hope this helped and made sense!

~Just a girl in love with Shawn Mendes

4 0
4 years ago
Escalation of conflict is the result of all of the following issues except __________.
laila [671]

D. agreeing about cause of conflict

Explanation:

hope this helps

7 0
3 years ago
Read 2 more answers
Bea is 70 years old and works part-time at a discount store. She has kept herself busy by engaging in various activities she enj
xxMikexx [17]

Answer:

The correct answer choice to the question: According to the _____ theory of aging, Bea is aging successfully, would be, A: Activity theory of aging.

Explanation:

The Activity theory of Aging, also known as the activity theory establishes that  in order for a person to face the process of aging in a positive manner, and ensure a good quality of life, he, or she, must maintain a certain level of activity and social engagement with the environment in order to achieve this. The opposite theory would be the Disengagement theory, and the activity theory proposes, unlike the first one, that it is in this social involvement and activity maintenance that people are able to go through the process of aging and be happy. This theory was developed in 1961 by Robert J. Havinghurst.

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3 years ago
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