Imagine it was found that worry explains the relationship between depression and sleep problems (i.e., depressed people tend to worry more than non-depressed people, leading them to experience more sleep problems). Which of the following is the indirect effect?
| a. |
The effect of sleep problems on depression through worry |
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| b. |
The relationship between worry and sleep problems, controlling for depression |
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| c. |
The effect of depression on sleep problems through worry |
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| d. |
The relationship between depression and sleep problems, controlling for worry |
An indirect effect here will be the effect of depression on sleep problems through worry.
Option C is correct.
Imagine it was found that worry explains the relationship between depression and sleep problems (...
3. Many studies have found a negative relationship between exercise and depression. Suppose we wish to evaluate this claim experimentally. We randomly assign a group of participants suffering from depression into two groups: those who participate in an exercise program 4 days a week for 2 months, and a control group not assigned to an exercise regimen. Depression is measured at the end of two months. The data are below: Exercise No Exercise 19 25 25 17 27 35 15...
Q1) The relationship between sleep hours and overall happiness level on the next day was estimated as below in a linear format. (Happiness level is measured through a five-point scale: 1 = Extremely unhappy, 5 = Extremely happy) Overall happiness level = 0.27 * Sleep hours + 2.34 (The p-value for the coefficient of Sleep hours is 0.02.) How can the relationship between overall happiness level and sleep hours be interpreted? A) As a person sleeps 1 more hour, his...
. Which statement explains the link between obesity and ultra-processed foods? a. Ultra-processed foods often cost more than less processed foods. b. People tend to eat more calories when they consumer ultra-processed foods. c. A diet high in ultra-processed foods increases satiety hormones. d. All these statements explain the link between obesity and ultra-processed foods.
1. More than _______% of people who kill themselves, have depression, another diagnosable mental illness, or substance abuse disorder. A. 70% B. 85% C. 95% D. 90% 2. During middle and high school, female students tend to: A. get higher grades than boys but have more school related stress. B.get higher grades than boys and have less school-related stress. C. get lower grades than boys but have less school-related stress. D.get lower grades than boys but have more school-related stress....
Which of the following studies illustrates an experimental design? A scientist found a relationship between people's reported daily stress and life satisfaction A psychologist reported that people who voted in the last election felt more optimistic than those who did not. A therapist concludes couples told to write down positive things about their partners were happier than those told to write down negative things, A researcher measured how much alcohol students drank on the weekend and their GPA for the...
The Center for Epidemiologic Studies Depression Scale (CES-D) was used to assess depression among 535 African American and Hispanic young males ages 14 to 27 attending a family planning clinic. The assessment indicated that 119 (22.2%) males met the criteria for depression. The study likewise examined the associations between depression, sociodemographic, and service requests. The study ultimately concluded that depressed males were more likely than nondepressed males to be Hispanic and to request services related to relationships, feelings, financial resources,...
1. The Pearson’s correlation is used to test a relationship between two variables___________. A. if a non-linear relationship is tested. B. if a linear relationship is tested. C. if both variables are continuous (i.e., are measured on an interval or ratio scale). D. if both variables are measured on a nominal scale. E. A & D F. B & C 2. A researcher found a Pearson correlation of r = - 0.28 between self-reported stress level and intensity of physical...
A. Perform a one-way ANOVA to look at whether income (INC1) differs by type of relationship (RELAT). Which of the following describes your result: A. F(3,396) = 4.91, p > .05 B. F(3,396) = 4.91, p < .001 C. F(3,396) = 6.85, p > .05 D. F(3,396) = 6.85, p < .001 B. The main effect due to gender indicates that: A. Women earn more than men. B. Men earn more than women. C. Men and women have incomes that...
1. Which of the following tests would you use to explore the relationship between two ordinal variables? a. Phi correlation b. Pearson’s product-moment correlation c. Spearman's rank-order correlation d. Point-biserial correlation 2. Thirty people took part in a study to see the extent to which musical ability is related to math proficiency. The researchers observed each each subject as they played piano and scored their proficiency with piano. Subjects also took a math test. Two sets of scores were then...
Use the following information for the NEXT 5 QUESTIONS Soapberry bugs are found in the southern U.S. including Oklahoma. They feed only on plants in the family Sapindaceae by inserting their piercing mouthparts into the fruits and sucking the contents of the seeds. The lengths of the "beaks" of these bugs reflect the size of the fruits on which they feed. Those populations that feed on big fruits tend to have long beaks; those feeding on smaller fruits have short...