Chapter 1 Key Terms
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| show | The science of planning studies and experiemnts, obtaining data, organizing, summerizing, presenting, analyzing, interpreting, and drawing conclusions based on the data.
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| show | Collections of observations
For Example: measurements, genders, survey responses.
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| Population | show 🗑
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| show | collection of data from every member of a population.
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| show | subcollection of members selected from a population.
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| show | A sample for which the respondents themselves chose to be involved.
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| show | 1.2 Key Terms
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| show | Description of what data represents and where that data came from, and why is was collected
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| Source | show 🗑
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| Sampling method | show 🗑
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| Conclusions | show 🗑
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| show | The outcome does not happen by chance.
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| Practical Significance | show 🗑
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| show | 1.3 Key Terms
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| Parameter | show 🗑
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| show | numerical measurements describing some characteristic of a sample.
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| Quantitaive data | show 🗑
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| Categorical data | show 🗑
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| show | the number of possible values is finite.
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| Continuous Data | show 🗑
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| show | Characterized by data that consists of names, labels, or categories only. The data cannot be arranged in an ordering scheme (such as high-low)
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| Ordinal | show 🗑
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| show | Like ordinal, with the additional poperty that the difference between any two data values is meaningful. However, data at this level does NOT have a NATURAL zero starting point.
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| show | Like interval, however there is a natural zero starting point. Difference and ratios are both meaningful.
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| 1.4 Key Terms | show 🗑
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| show | Depictions of shape of graph is misleading.
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| Correlation Causality | show 🗑
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| show | Conclusions should not be based on samples that are far to small. For Example: basing a school suspension rate on 3 students.
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| Misuses of Percentages | show 🗑
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| Loaded Questions | show 🗑
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| Order of Questions | show 🗑
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| NonResponse | show 🗑
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| Missing Data | show 🗑
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| show | Some parties with interest to promot will sponsor studies. When assessing validity, always consider whether the sponsor might influence the results.
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| 1.5 Key Terms | show 🗑
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| Observation Studies | show 🗑
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| show | Appl some treatment then observe its effects on the subjects.
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| Experimental Units | show 🗑
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Selection so that each individual member has equal chance of being selected.
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| Simple Random | show 🗑
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| Systematic | show 🗑
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| Conveniance | show 🗑
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| Stratified | show 🗑
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| Cluster | show 🗑
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| Multi-stage | show 🗑
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Data are observed, measure, and collected at one point in time.
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| Retrospective | show 🗑
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| show | (Longitudinal or corhort) Data are collected int he future from groups sharing common factorys (Cohorts)
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| show | Used when subjects are assigned to different groups though a process of random select. The logic is to use chance as a way to create 2 groups that are similar.
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| show | A technique in which the subject doesn't know whether he/she is recieving a treatment or placebo.
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| show | The subject and the experimenter do not know whether the treatment is or is not a placebo.
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| Replication | show 🗑
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| Avoid Confounding | show 🗑
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To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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