Learn Before
Based on the provided context, analyze the statistical nature of Participant 87's score relative to the sample. Justify whether this score should automatically be deleted from the dataset, considering what the score might represent.
Case context: Dr. Smith is analyzing Beck Depression Inventory (BDI) data from a study on college freshman adjustment. Out of 200 participants, 199 report very low scores, indicating high functioning and happiness. Participant 87, however, reports a very high BDI score.
Question: Based on the provided context, analyze the statistical nature of Participant 87's score relative to the sample. Justify whether this score should automatically be deleted from the dataset, considering what the score might represent.
Sample answer: Participant 87's score represents an outlier because it is a truly extreme value relative to the scores of the otherwise happy and high-functioning peers in the sample. The score should not be automatically deleted. While it is an outlier, it might represent a genuine case of a clinically depressed individual within the population rather than a measurement error. The researcher must analyze whether it is a valid measurement before deciding how to handle it in statistical analyses.
Key points:
- Diagnoses Participant 87's score as an outlier.
- Explains the score is an outlier because it is extreme compared to the high-functioning peers.
- Justifies that outliers should not be automatically deleted.
- Analyzes that the extreme score could represent a genuine instance of clinical depression.
Rubric: Full credit is given for analyzing the score as an outlier due to its extremity relative to the group and justifying that it should not be automatically deleted because it may represent a valid, though rare, clinical state.
0
1
Tags
KPU
Research Methods in Psychology - 4th American Edition @ KPU
Related
In a sample composed almost entirely of happy and high-functioning peers, a single clinically depressed person scores very high on the Beck Depression Inventory. Because this individual's score represents a truly extreme value relative to the rest of the group, how is this data point statistically classified?
True or False: A high score on the Beck Depression Inventory is automatically classified as an outlier, regardless of whether the other participants in the same sample also have high scores.
A researcher is examining results from the Beck Depression Inventory (BDI), where higher scores indicate more severe depressive symptoms. Match each scenario with the correct statistical analysis of the specific score mentioned.
A researcher is evaluating three different studies where a participant recorded a score of on the Beck Depression Inventory (). Based on the principle that a data point is classified as an outlier when it is a truly extreme value relative to the rest of its group, rank these scenarios from the one where the score of is most likely to be considered an outlier to the one where it is least likely.
According to the concept of an outlier in Beck Depression Inventory () scores, what is the primary reason a single high score in a sample of happy peers is classified as an outlier?
A researcher is analyzing data from the Beck Depression Inventory (BDI) across different study contexts. Match each scenario or data point to its correct statistical classification or justification based on the concept of outliers.
A clinical researcher evaluates Beck Depression Inventory (BDI) data from a wellness retreat consisting of 100 high-functioning, joyful participants. The scores largely fall between 1 and 4. However, one participant, struggling with untreated clinical depression, scores a 39. In the context of analyzing this specific group's data, the researcher would classify the score of 39 as an ________ because it is an extreme value relative to the rest of the sample.
A researcher is reviewing the Beck Depression Inventory (BDI) scores from a group of 'happy and high-functioning' university students. Most students scored between and , but one participant scored a . Arrange the steps in the logical sequence required to evaluate and justify whether the score of should be classified as an outlier in this study.
As a lab instructor, you are tasked with creating a set of Beck Depression Inventory (BDI) scores to help students identify a specific type of statistical outlier. You must design the data such that a single participant with clinical depression stands out among a group of 'happy and high-functioning' peers. Which of the following datasets () would you construct to best fulfill this instructional goal?
In a sample composed almost entirely of happy and high-functioning peers, a single clinically depressed person scoring very high on the Beck Depression Inventory is considered an outlier.
A researcher administers the Beck Depression Inventory (BDI) to a group of 30 individuals who identify as high-functioning and happy. While 29 participants score very low, one participant records a score of 45. Why is the score of 45 characterized as an outlier in this specific sample?
A researcher studying emotional well-being administers the Beck Depression Inventory (BDI) to nine undergraduate students who all report high levels of life satisfaction and academic success. Their scores are: 2, 4, 3, 5, 2, 58, 4, 3, and 5. The score of _____ is the outlier in this distribution because it represents a truly extreme value relative to the rest of the group.
A researcher administers the Beck Depression Inventory to a group of 50 elite athletes known for their high resilience and positive affect. The researcher notices one score is drastically higher than the rest. Apply the concept of an outlier to explain why this specific score might have occurred in this sample, and discuss how the researcher should initially approach this data point.
Based on the provided context, analyze the statistical nature of Participant 87's score relative to the sample. Justify whether this score should automatically be deleted from the dataset, considering what the score might represent.
Evaluate the following claim: 'A score of 40 on the Beck Depression Inventory is always an outlier, regardless of the sample.' Provide a brief justification for your evaluation based on the relationship between a score and its specific sample group.