Across
- 2. an unbiased sample, can think of it as putting a bunch of different names into a hat and selecting “n” of them
- 3. A study of milkshake sales and reported jellyfish stings is conducted. When doing this research, the researchers discovered that milkshake sales increased when reported jellyfish stings increased. Just because milkshake sales and jellyfish stings correlate, that does not mean they cause each other. The third variable in this study is called the…
- 4. In an experiment where a researcher is testing whether the increased use of social media in students leads to poor test scores. The test scores of the students would be an example of a…
- 7. An example would be a quick questionnaire that asks you about your experience after making a large purchase. This is a very efficient and low cost method of collecting data but suffers from response and selection bias.
- 9. A group of 50 people are randomly selected individually to either play a football video game or hockey video game. This type of study is called what?
- 10. Three requirements; covariation between variables, causes must precede effects, and alternative causes must be eliminated.
- 11. In a study, the entire population of New York is separated into three groups: people who live in urban areas, suburbs, and rural areas. Then, 20% of people from each group are selected at random and asked how much they weigh. This study is an example of…
- 13. A variable that is manipulated by the experimenter, has at least two different conditions.
Down
- 1. A group of 50 people are separated into two groups of 25. One group is assigned to play a football video game and the other group is assigned to play a hockey video game. This type of study is called what?
- 5. Part of the population that we take out to examine and draw conclusions from
- 6. Describes the relationship between two variables. Can range between -1 and 1, Negative vs. positive.
- 8. A scientific claim that “Minnesota winters are more unbearable than Wisconsin winters”. This is not a measurable claim. “Unbearable” could mean different things to other people. It could mean that there is more snow, ice, or the weather is colder. The claim is not specific enough and only offers fixed ideas and a ball-park measurement. This is an example of…
- 12. willingness to change with new evidence, ruthless peer review, takes account of all new discoveries, invites criticism, verifiable results, limits claims of usefulness, and accurate measurement.
- 14. The group of things experimenters want information about