The major advantage of repeated-measures designs is that:

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нещасного випадку складає акт за формою..."

For which of these research situations would you most likely calculate a correlation coefficient?

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A researcher wanted to see how watching movies influenced subjects’ IQ scores. She gave IQ tests to subjects following each of two movies. Half of the subjects first saw Titanic followed by Schindler’s List, while the other half first saw Schindler’s List and then Titanic. Varying the movie order is an example of:

A researcher was interested in the effects of 1) alcohol consumption and 2) content of a videotape, on how likely one is to support public health myths. The researcher randomly assigned 60 college-aged males to one of the following three groups: no alcohol consumed, a moderated amount of alcohol consumed, and a large amount of alcohol consumed. Additionally, half of the participants were shown the educational video on public health myths. The other half of the participants watched a documentary on owls (a control condition). At the end of the study all the participants filled out a survey on public health myth acceptance. Higher scores on the survey indicated higher acceptance of public health myths.

The results indicated that the participants who watched the educational video scored significantly lower on the public health myth scale compared to the group that watched the owl video. What does this suggest?

You would look at the ______ of a Pearson correlation coefficient (r) to assess the ______ of the relationship between two variables.

What does a two-way ANOVA offer beyond what two separate one-way ANOVAs can tell about the data?