Hypothesis and Operational Definition Exercise Provide the same information for
ID: 3451259 • Letter: H
Question
Hypothesis and Operational Definition Exercise Provide the same information for each hypothesis Hypothesis 1: Job stress is associated with absenteeism rates at work . Which method (quantitative or qualitative) would you use to test this hypothesis? Why? 2. Which is the independent or "cause" variable and which is the dependent or "effect" variable if an experiment? 3. State an operational definition for each variable. If experimental, describe how the independent variable might be manipulated and the dependent variable measured. If nonexperimental, describe how both variables might be measured. Hypothesis 2: A pregnant woman's diet affects the birth weight of her baby. Hypothesis 3: The size of a meeting is related to the length of the meeting. Hypothesis 4: Frequency of child abuse is related to the parents' ages when they married Hypothesis 5: Political orientation is related to attitude toward gun control. Hypothesis 6: Visual imagery improves memory. Hypothesis 7: Jury decisions are influenced by the attractiveness of the defendant. Hypothesis 8: Exercise is related to levels of stress. Hypothesis 9: Age ofinstructor is related to students' evaluation of the instructor. Hypothesis 10: Number of hours worked is related to the number of hours spent studying.Explanation / Answer
5. Quantitative method can be used for the given hypothesis as it involves an objective measurement of the given variables and drawing conclusions about the population. The independent variable - political orientation of the participants can be operationally defined as the number of American Participants who support conservative ideology and the number of Americans who support the liberal Democratic Party. The dependent variable can be operationally defined as the positive and negative attitude of the participants towards gun control policy. The variables can be studied using the survey method to assess the participants’s responses on a questionnaire of political preferences and a five point Likert scale to measure their attitudes towards gun control.
6. The hypothesis would be tested using quantitative method as it involves finding the probability of a causal relationship between two objective variables- wherein the presentation of visual imagery is the independent variable and the ability to remember is the dependent variable. The independent variable can be operationally defined as the presentation of visual images in the list of words to be remembered. The dependent variable can be operationally defined as the number of items correctly recalled by the participants. The variables can be best measured by the experimental method wherein the experimental group would be the one which receives the list of words that elicit visual imagery and the control group would receive words that do not trigger visual imagery.
7. The given hypothesis can be measured using the quantitative method. The attractiveness of the defendant is the independent variable and the decisions of the jury is the dependent variable under study. The independent variable can be operationally defined as the use of eloquent clear speech, prolonged eye contact and favourable physical appearance by the defendant which contribute to increasing attraction and positive attitude. The dependent variable can be determined as the number of participants who choose a decision in favour of the defendant in their role as jury. The variable can be tested using a simulation experiment where the experimental group of participants would be presented with defendants carrying both highly attractive and highly unattractive features while the control group would be given no such manipulation in the attractive appearance of the research confederates.
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