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
Answer:
The behaviorist strategies that show to be least effective in therms of supporting language learning: <u>error-correction</u>.
Explanation:
The behaviorist strategies on language learning and acquisition, involves reinforcement or reward of some kind. This theory explains learning as a process that is based on the stimulus given to the learner to achieve the goal. A person learns through practice and imitation of the given excersises.
The less effective strategie would be error and correction, because a person needs to make mistakes in order to practice and learn. By focusing on the error and the correction, this may not be the most motivatinal strategy for a student.
Answer: Panama Canal was built to lower the distance, cost, and time it took for ships to carry cargo between the Atlantic and the Pacific Oceans. Before the canal, ships would have to go around the entire continent of South America.
Explanation:
