Independent and depentent variables of psychology Essay

* freelancer variable The variable that is manipulated to foot race its effects on the dependent variable. * unfree variable The variable that is metrical to see how it is changed by manipulations in the independent variable.Scenarios1 Coach Jones has noticed that her players tend to shoot a higher percentage from the free throw reap when they play away, rather than at home. Surprised at this trend, she and her assistants decide to test this by comparing free-throw percentages over the course of a year.a Independent variable- contend at away vs. homeb underage variable- Free throws2 Mr. Feldman has noticed the students in his high school Biology class tend to do better on tests taken on Friday, rather than tests taken on Monday. He decides to test the hypotheses.a Independent variable- Testing dateb qualified variable- Testing scores3 John, Wendy, and Sean, all avid fishermen, have noticed that they always seem to catch more fish when it is raining outside. They decide to t est the hypotheses.a Independent variable-The rainy weatherb Dependent variable- The chance of catching more fish4 Tony has designed a study to sterilize if alcohol really inhibits ones ability to drive a car.a Independent variable- Alcoholb Dependent variable- Ability to drive5 Does eating spinach really make you stronger?a Independent variable Spinachb Dependent variable- Strength6 Does staying physically fit gain your chances of living longer?a Independent variable- Fitness.b Dependent variable- Longer life.7 Does taking classes in college really make you smarter?a Independent variable- Collegeb Dependent variable- Intelligence8 Is it true that animals that listen to classical music make happier pets?a Independent variable- Classical musicb Dependent variable- elated pets9 Hypothesis The taller a person is, the more likely they are to enjoy chocolate ice cream.a Independent variable- Being Tallb Dependent variable- Chocolate ice cream.10 Hypothesis The more a student attends class, the better they do on exam grades.a Independent variable- attendingb Dependent variable- Higher exam score11 Does peer pressure negatively affect teenagers attendance in school?a Independent variable- Peer pressureb Dependent variable- Poor attendance12. A researcher wants to know whether eating chocolate makes people nervous.a.Independent variable- Consuming chocolatec Dependent variable- Nervousness13. A researcher wants to know whether feeling nervous makes people eat chocolate.a. Independent variable- Nervousnessb. Dependent variable- Consuming chocolate14. prof Marshall wants to know if eating sweets for a bedtime snack makes children active.a. Independent variable- Sweetsb. Dependent variable- More active at bedtime15. A researcher plans to investigate whether a instill of hot milk at night helps people relax so that they fall asleep quickly.a. Independent variable- Cup of hot milkb Dependent variable- relax and sleepiness16. Gabrielle conducted a small experiment exa mining the effects of music on time perception. She had three root words of subjects. Group 1 was exposed to classical music, group 2 was exposed to contemporary rock and the third group received no music.a. Independent variable- Music i.e. classical & contemporary rock & silence b. Dependent variable- Perception of time.17 A study was done on the effects of punishment on self-esteem.a. Independent variable-Punishmentb. Dependent variable- Self-esteem