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Based on the course material, define what is meant by a variable's distribution, and recall the specific distribution details of the variable 'sex' in the example sample of university students.
Question: Based on the course material, define what is meant by a variable's distribution, and recall the specific distribution details of the variable 'sex' in the example sample of university students.
Sample answer: A variable's distribution is how the scores of individuals in a sample are distributed across the levels or categories of that variable. In the course example, the distribution of the variable 'sex' in a sample of university students is such that students have a score of 'male' and students have a score of 'female'.
Key points:
- A variable's distribution shows how scores are distributed across the values or categories of the variable.
- The example sample size is university students.
- The distribution for the variable 'sex' shows students have a score of 'male'.
- The distribution for the variable 'sex' shows students have a score of 'female'.
Rubric: The response should be graded on a 3-point scale: 1 point for defining a variable's distribution as how scores are distributed across categories/values, 1 point for identifying the sample size as students, and 1 point for recalling the exact frequencies of 'male' and 'female'.
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Research Methods in Psychology - 4th American Edition @ KPU
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When a researcher reports that a sample of 100 university students includes 44 who score as 'male' and 56 who score as 'female', they are demonstrating the ________ of the variable 'sex'.
A researcher studies a sample of 100 university students and reports that 44 students have a score of 'male' and 56 have a score of 'female'. What does this specific numerical breakdown represent in the context of research data?
A research assistant is summarizing the participant demographics for three different psychology studies. Match each study's description to the correct statement of its distribution for the variable 'sex'.
A researcher observes a distribution for the variable 'sex' in a sample of 100 students where 44 are 'male' and 56 are 'female'. True or False: If the researcher adds exactly 10 more participants to the 'male' category and 10 more to the 'female' category, the percentage of males in the resulting distribution will be higher than it was in the original distribution.
A researcher is studying a population known to be 50% male and 50% female. Their sample of 100 students contains 44 males and 56 females. Arrange the steps the researcher should take to evaluate the representativeness of this sample distribution, from establishing a standard to making a final judgment.
A research team is planning to create a specific distribution for the variable 'sex' in a new study of participants. To investigate a hypothesis regarding demographic weighting, they decide to construct a sample where the frequency of females is exactly times the frequency of males. Which of the following sets of data points must the team produce to correctly construct this distribution?
True or False: A variable's distribution can only be shown for quantitative or numerical variables, meaning that a categorical variable like 'sex' cannot have a distribution.
A researcher collects demographic data from a sample of university students to study the variable 'sex'. They find that students have a score of 'male' and have a score of 'female'. Match each descriptive component of this sample's data with its correct representation.
A researcher examines the distribution of 'sex' in a sample of university students and finds that have a score of 'male' and have a score of 'female'. By analyzing the frequencies within this distribution, the researcher determines that the score 'female' appears _____ more times than the score 'male'.
A peer reviewer is evaluating whether a published study adequately described the distribution of the variable 'sex' in its sample. The study reports: 'Our sample of university students included who scored male and who scored female.' Arrange the steps the reviewer should follow, in order, to evaluate the completeness and quality of this distribution report.
Based on the course material, define what is meant by a variable's distribution, and recall the specific distribution details of the variable 'sex' in the example sample of university students.
Explain to the student researcher why a categorical variable like 'sex' can have a distribution, and explain how the counts of and demonstrate this distribution within their sample.
Suppose you are conducting a replication study and collect demographic data on the variable 'sex' for a new sample of university students. You find that students have a score of 'male' and students have a score of 'female'. Write a statement (1-3 sentences) describing the distribution of 'sex' for this new sample using the formatting and terminology of the course example.