1. A psychologist measures intelligence among 10 participants by ranking how fast they can complete a set of novel probl

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1 A Psychologist Measures Intelligence Among 10 Participants By Ranking How Fast They Can Complete A Set Of Novel Probl 1 (63.36 KiB) Viewed 23 times

1. A psychologist measures intelligence among 10 participants by ranking how fast they can complete a set of novel problems. The person who completes the problems the fastest is determined to be the most intelligent. What scale of measurement is being used here? a. Nominal b. Ordinal c. Interval d. Ratio 2. A psychologist measures head circumference in inches. What scale of measurement is being used here? a. Nominal b. Ordinal c. Interval d. Ratio 3. A researcher sets Perie (alpha) to .05 for her study. What is the probability of making a Type I error in her study? a. .95 b. .05 c..80 d.0 4. After computing a chi-square test of association, a researcher fails to reject the null hypothesis. What type of error(s) might she have made? a. Type I only b. Type II c. Type III only d. Type I or III 5. What is one thing a researcher can do to almost guarantee finding “statistical significance” in his study in which means for two groups are compared? a. Set alpha to 10 b. Use an ANOVA rather than a t-test c. Collect an extremely large sample size of participants d. Remove any outliers from his data