Part one of exam cards (Chapter 1)
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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| True or False: George determines that long distance runners appear to have fewer colds, and this observation proves his hypothesis that running prevents colds. | show 🗑
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| Christina hypothesizes that cities are often located on rivers because rivers provide predictable water supplies. Which alternative hypothesis to Christina's original hypothesis could be rejected? | show 🗑
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| show | If people practice yoga, then their energy levels will increase.
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| True or False: The prediction that people who exercise will experience less depression is based on deductive reasoning. | show 🗑
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| Which evidence supports the germ theory of disease? | show 🗑
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| Which statement could be rejected using scientific observations? | show 🗑
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| Which person is using anecdotal evidence? | show 🗑
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| show | An article published in a peer-reviewed scientific journal
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| True or False: A small sample size increases the likelihood that an experimental result will be significant. | show 🗑
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| A researcher publishes the results of a study conducted on a large group of patients with chronic back pain. The results indicate a large reduction in chronic pain in patients who take a new drug. What conclusion could be drawn from this study? | show 🗑
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| Why would a rat be an appropriate model organism to test a new treatment for human kidney disease? | show 🗑
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| show | Assign individuals to the control or experimental group using a random number generator.
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| A relationship between two factors | show 🗑
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| show | Model system
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| show | Statistically significant result
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| show | Sample
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| A measure of the variance of a sample | show 🗑
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| show | Experimental group
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| show | 1. Participant lack of knowledge related to exposure levels.
2. Expense of performing cross-sectional surveys
3. Lack of control for other factors differing among participants.
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| show | Case-control
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| show | 1. A newspaper article
2. A book
3. An online advertisement
4. A televised news report
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| Some researchers get financial benefits from companies. A study by a respected scientific journal found that 60% of articles in the news media don't mention this. Does this make you more/less confident that you get the “straight story” from the news? | show 🗑
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| show | A testable scientific hypothesis
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| Which of the following statements is an example of deductive reasoning? | show 🗑
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| Terry’s grandfather lived to the age of 88 and smoked more than a pack of cigarettes per day throughout his adult life. When Terry tells you this as a reason why “smoking doesn’t really harm people,” you reply with which of the following? | show 🗑
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| To test a hypothesis, scientists conduct ____________ in which they manipulate a(an) ____________ and observe the effects on a(an) ____________. | show 🗑
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| show | The correct option to choose is Drug C because it is endorsed on a credible government website.
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| show | Measures how far the sample mean (average) of the data is likely to be from the true population mean
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| You want to know whether boys in high school are taller now than 50 years ago. You get height data from 30 boys at a local HS and records of 30 boys from 50 years ago. What might be the statistical reason that your conclusion is not stated more strongly? | show 🗑
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| Dr. believes that aloe vera cream heals wounds; her family has used it for generations. She does a study of this effect on patients at her dermatology practice. Which bias could occur, and what placebo-controlled study should she design to avoid it? | show 🗑
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| Happy Village has a population of 300 people. A survey of 20 people attending a local dog show demonstrated that 18 of them (90%) wanted a Golden Retriever in the holiday parade. Which type of error should the mayor make sure has not occurred? | show 🗑
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| show | A statistical error that occurs when an analyst does not select a sample that represents the entire population of data; sampling errors arise bc sample sizes are limited. (It is impossible to sample an entire population in a survey or a census.)
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| show | Developing a hypothesis, followed by putting participants into groups to conduct an experiment
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| A controlled experiment is an experiment that ______________. | show 🗑
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| show | Frequent hand washing
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| Frankie and Corey are siblings. Frankie is a scientist trying to find a cure for the cold, and Corey works in an automobile repair shop. At last Sunday’s family barbecue, a relative commented , “You know, you do similar kinds of work.” What did he mean? | show 🗑
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| show | Alternative hypotheses always exist
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| show | Participants are not randomly assigned to groups
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| show | Neither Janna nor the investigator knew which deodorant Janna was using.
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| show | I will change to the vegetable fat/protein diet because the results are most likely practically significant.
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| show | The effect of vitamin E on colds is statistically, but not practically, significant.
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| Statistical vs. practical significance | show 🗑
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| show | The reduction in cold symptoms probably did not occur by chance.
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| show | The independent variable in the experiment (what is changing.)
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| Scientific method | show 🗑
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| Hypothesis | show 🗑
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| Hypotheses must be... | show 🗑
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
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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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Created by:
FaithMcBaith
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