The threat to validity that is likely to occur in the scenario above is Selection Bias.
<h3>What is Selection Bias?</h3>
This occurs when a researcher has control and intentionally chooses those who are going to be researched, observed, or studied. To eliminate this bias, the scientist must ensure that the sample population is selected very randomly.
Other threats to validity are:
- History
- Maturation
- Attrition
- Social Interaction
- Instrumentation
- Testing
- Regression to the mean, etc.
Please see the link below for more about Threat to Validity:
brainly.com/question/4168290
It would be forty-seven percent that the federal government's income comes from individual income tax. Other sources of the federal government's income would be payroll taxes that fund the social insurance programs, corporate income tax and others.
The answer would be letter C.
Answer: Panic disorder along with Agoraphobia
Explanation:
Panic disorder doesn't refer to a single panic attack for someone to have panic disorder they must experience frequent panic attacks.
Agoraphobia occurs when someone is anxious of being around places where they feel trapped. Having a once off panic attack can not be classified as panic disorder , however when a person have repeating episodes of panic attacks that is a sign of having panic disorder.Panic attack and agoraphobia doesn't always go together, Some people may have one without the other.
Symptoms of panic disorder include:
- Reccuring and unexpected panic attacks
- constant anxiety about having a panic attack for a month after having had one.
- losing control
Symptoms of agoraphobia
- This is a fear associate with feeling trapped in an open space but still feel like you can't escape it.
- This involves things like being in in an enclosed space like a small shop or theatre
- One space like a shopping mall or car park
- Public transport such a a bus or plane or train
Or anywhere other than your own home.
The 15th Amendment: Allowed African men the right to vote, stating the "right to citizens of the United States to vote shall not be denied or abridged by the United States or by any state on account of race, color, or previous condition of servitude"
