Consider a Situation in Which Chris Predicts That an Impending

question 8

Multiple Choice

Consider a situation in which Chris predicts that an impending drainage connection will alter the number of fish in a set of six small lakes. She uses a large net (a seine) and counts the number of fish and obtains the values shown. Based on the 95% confidence interval for the difference in the mean values, what do you predict the results of a paired t-test to be?
?
Number of fish caught in six seines before and after drainage connection.

$\begin{array}{lll}\underline {\text {Vial } }&\underline {\text { Before } }&\underline {\text { After } }\\1 & 24 & 20 \\2 & 35 & 31 \\3 & 64 & 59 \\4 & 51 & 52 \\5 & 25 & 22 \\6 & 48 & 39\end{array}$ ?

• A) Fail to reject the null hypothesis, the storm did not seem to change the number of fish in the lakes.
• B) Fail to reject the null hypothesis, the storm seemed to reduce the number of fish in the lakes.
• C) Reject the null hypothesis, the storm did not seem to change the number of fish in the lakes.
• D) Reject the null hypothesis, the storm seemed to reduce the number of fish in the lakes.

Understand the appropriate language and perspectives for discussing people with disabilities.

Identify when passive and active voices should be used in writing.

Recognize the required level of formality in technical communication.

Identify grammatical errors such as comma splices and run-on sentences.

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Definitions:

Negative Reinforcement

A behavioral principle where the removal of an unpleasant stimulus strengthens a behavior, increasing its occurrence.

Negative Punishment

A behavioral control method where the removal of a desirable stimulus decreases the likelihood of a behavior recurring.

Avoiding Punishment

Engaging in behavior with the aim to prevent, escape from, or decrease the likelihood of negative consequences or sanctions.

Variable Interval Schedule

A schedule of reinforcement where a response is rewarded after an unpredictable amount of time has passed, leading to a variable response pattern.