According to Cohen's conventions, an r2 of .14 would represent a ? (A) small effect (B) medium effect (C) large effect (D) none of the above , as there are no standards for interpreting r2
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According to Cohen's conventions, an r2 of .14 would represent a ? (A) small effect (B)...
4. According to Cohen's conventions, an R2 of 0.19 is considered to be a(n) ________ effect size. Select one: A. large B. erroneous C. medium D. small 5.f between-groups variance is much larger than within-groups variance, we infer that the sample means are ________ one another, and we ________ the null hypothesis. Select one: A. similar to; reject B. different from; reject C. different from; fail to reject D. similar to; fail to reject 6. Identify the correct formula for...
According to Cohen's d conventions, which of the following would be considered to be a medium effect size? A .-0.55, B.0.81, C.-0.98, D. 0.17
7. Effect size - Cohen's d and r squared Aa Aa E An industrial/organizational psychologist has been consulting with a company that runs weekend job-seeking workshops for the unemployed. She collected data on several issues related to these workshops and, after conducting statistical tests, obtained statistically significant findings. She needs to find a way to evaluate effect size so that she can make recommendations to the company. One of the psychologist's findings is that 1 year after the workshop, a...
Dr. Fowler calculates a Cohen's d of 1.21. How should she describe this effect size? Impossible. The largest value for Cohen's d is 1. Large Small Medium
For each of the situations below, calculate both the r-squared and the Cohen's d measure of effect size and specify whether each is a "small", "medium", or "large" size. See module slides from 21 on for guidance. a. df 12, t-2.07 b. df 24, t 1.90 c. df-24, t-2.51 d. df-63, t-2.96 e. df-32, t=1.31
11. Effect size and Cohen's d Aa Aa Suppose a researcher is trying to understand whether people who purchase fast-food hamburgers would be willing to pay more if the hamburger comes with a free cookie. Prior research suggests the mean amount customers say they are willing to pay for a hamburger is -4.14 and ơ-1.40 The researcher plans to conduct a study very similar to the prior research by selecting a sample of customers and asking them how much they...
Consider the reaction: J2(g) + R2(g) ⇄ 2JR(g). Let a square represent an atom of J and a circle represent an atom of R. The value for the equilibrium constant for this reaction at 25°C is greater than 1. The drawing below labeled Before shows a small representative volume of a container held at 25°C immediately after J2 and R2 have been added but before reaction between J2 and R2 to give JR has occurred. Circle the letter of each...
According to Fisher's geometric model: a. All mutations are random b. All mutations are neutral c. Mutations of large effect are more likely to be beneficial than mutations of small effect d. Mutations of small effect are more likely to be beneficial than mutations of large effect e. Deleterious mutations do not occur in populations
14) According to the law of reflection, a light ray striking a mirror at an angle of incidence of 30 degrees will leaves the miror at an angle of a. 60 degrees b. 30 degrees c. less than 30 degrees d. none of the above 15) A light ray bends when it goes from one medium to another because of a. interference b. diffraction c. specular reflection d. refraction c. polarization 16) Rank the following media in order according to...
QUESTION 10 According to the quantity theory of money, if the money supply, M, increases by 10%, then A. velocity increases by 10%. B. the rate of inflation (in %) increases by 10. C. the nominal GDP increases by 10%. D. none of the above. 10 points QUESTION 11 According to the quantity theory of money and the classical model, changes in nominal money supply, M, has A. no effect on real variables. B. no effect on inflation rate....