7. In a two-way ANOVA, the researcher makes decisions regarding _____ null hypotheses.
two interdependent | |
three separate | |
three interdependent | |
two separate |
9. | A researcher is interested in the effects of playing violent video games on aggressive behavior. There are two independent variables in his study—1) the type of video game played (violent or nonviolent), and 2) the amount of time spent playing the video game (either one day or one week). At the end of the testing phase each participant is given a test to measure their aggressive response in an ambiguous situation. If a significant main effect is found, should we conduct a post-hoc test? Why? | ||||||||
|
10. | A research design that includes at least one between-groups independent variable and one within-groups independent variable is referred to as a(n): | ||||||||
|
11. | If a researcher feels that a variable that is not being manipulated is associated with the independent variable, then they may choose to remove this variable statistically by using the technique of: | ||||||||
|
in a two-way anova the researcher makes decisions regarding ________ null hypothesis a. three interdependent b. three separate c. two separate d. two interdependent
Correct option is (b). three separate.
7. In a two-way ANOVA, the researcher makes decisions regarding _____ null hypotheses. two interdependent three separate three interdependent two separate 9. A researcher is interes...
Aa Aa 3. A two-factor ANOVA: the null hypotheses, interpretation, and assumptions A fourth-grade tacher suspects that the time he administers a tast, and what sort of snadk his students have before the test, affects their performance. To tast his theory, he assigns 90 fourth-grade studerts to one of three groups One group gets candy (a lollipop) for their 9:55 AM snack. Another group gets their 9:55 AM snack. The third group does not get a 9:55 AM snack. The...
SPSS Lab Assignment #2 Output Analysis One Descriptives Depression_13 2323 WHITE BLACK AMER IND ASIAN HISPAN Mean 10.0010 10.0930 10.1038 10.1060 10.1062 10.0343 Std. Deviation 24975 27993 25361 27124 27267 26409 95% Confidence interval for Mean Std. ErrorLower Bound Upper Bound 00518 9.9908 10.0111 .00817 10.0770 10.1090 .03699 10.0294 10.1783 04952 10.0047 10.2073 .04158 10.0223 10.1901 00439 10.0257 10.0429 30 43 3617 Total ANOVA Depression 73 Mean Square Sum of Squares 7.230 244.967 1.808 26.651 Between Groups Within Groups Total...
having trouble working excel, please help Lab Assignment Each student has been assigned a unique data set, and will be required to perform basic statistical analyses on the data. Each exercise should be saved to a new file so one of your first tasks will be to make sufficient copies of your data file, named appropriately. E.g. Grant, Karen Inf Stats Ex1; Grant, Karen Inf Stats Ex2; Grant, Karen Inf Stats Ex3. All data files are taken from real data...
All work must be shown. That is, you need to show the steps and calculations you used to arrive at every answer for credit - For example, I need to see which two numbers you divided to arrive at a particular S? value, F-ratio value, etc. The "Pygmalion Effect" refers to the effect of teacher expectations on student academic achievement and performance (for the classic study on this phenomenon, see Rosenthal & Jacobson, 1968; for a more recent review of...
Researchers randomly assigned 322 moderately obese volunteers to one of three diets to study how the diets compare with respect to various outcomes such as weight loss, lipid profiles, blood pressure, and other indicators of health and metabolic function. The three diets included a low-carbohydrate diet, a low-fat diet, and a Mediterranean diet that consists of moderate fat and a high proportion of monounsaturated fats. All study participants worked at the same research center in Israel, where lunch (the main...