Exam 9: Multigroup Design: Im Feeling Hot, but Is the Earth Hot, Too

If you have a multigroup design with four groups, roughly what is the minimum number of participants you should have for reasonable power in your study?

_____ is a statistical test in which both variables are categorical. This test generally tells us if the distribution of participants across categories is different from what would be happen if there were no difference between the groups.

Which of the following is the symbol for chi-square?

To determine if food allergies influence participants' taste palate, researchers conducted a chi-square test of independence between conditions . Based on this information, what is the chi-square score for those in the gluten allergy condition compared with others for this study?

_____ is an experimental strategy with implementation of three or more groups.

(Scenario II) In Scenario II, experience was operationally defined as:

Dr. Green's recent study resulted in confirming the null hypothesis as true. This would imply that Dr. Green's study:

It is very common for manipulation check questions to be embedded within the _____ on a questionnaire.

Dr. Primrose is studying sleep disturbances among young adults and conducts experiments at different times during the night for each patient and monitors their sleep patterns at different points in their sleep cycles. Without realizing it, Dr. Primrose has introduced:

Dr. Warren just completed a study examining specific phobias experienced by adults. One measure Dr. Warren used was a self-report measure of experienced phobias. Dr. Warren should calculate the _____ of this measure before completing any statistical analyses to test his hypothesis.

In a 2008 study, researchers examined the cognitive benefits of interacting with nature and found that:

Dr. Copeland noted the following results in her manuscript: F(3, 116) = .80, p = .01, eta² = .27. Which of the following numbers represents the F score in this results write-up?

Mr. McGrew is interested in the various types of butterflies throughout the United States. He is most interested in the differences in flying patterns among butterflies with origins in New England, the gulf states, the midwestern states, and the western states. Mr. McGrew randomly selects butterflies from each area and introduces small temperature changes to their habitat. Mr. McGrew is using a:

Dr. Raymond is lecturing on various statistical analyses in class. She notes the definition for exploratory analyses as:

Sabina wishes to use multiple strategies including self-report, interview, and a behavioral measure to answer her research question regarding alcohol use among teenagers. Sabina will most likely be employing:

(Scenario III) Suppose the researchers in Scenario III initially designed the study so that the mice were on their respective diets for only one week. After finding no effect of diet on weight, they decided to increase the length of exercise to one month. The design change from 7 days to 30 days most likely affected the study's:

Researchers decide to use self-report, teacher report, and parent report data, as well as sociometric data from peers. These researchers are employing _____ to help answer the desired research question.

In a 2008 study investigating whether direct experiences with flooding influence risk perception found that flood victims were _____ to engage in behavior that would help eliminate climate change.

To determine if food allergies influence participants' taste palate, researchers conducted a chi-square test of independence between conditions . Based on this information, what was the degrees of freedom in this study?

Dr. Reddick is lecturing on various statistical analyses in class. He notes the definition for post-hoc analyses as: