The Independent Variable a Factor that may impact dependent variable b May be

The independent variable a factor that may impact

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2.The Independent Variable a.Factor that may impact dependent variable b.May be manipulated by the researcher 3.Dependent Variable 4. Randomization: The process of assigning people to different research groups, each person equal chance of being in any group 5. Internal validity: The Extent to which the results of the study can be attributed to the independent variable 6. External validity: The extent to which the results of the study can be generalized or applied outside the immediate study 7. Case study a. Extensive observation b. Detailed description c. Foundation for early developments d. Unique problems e. Contributions/Challenges to theories f. Limitations—reactivity 8. Correlational research a. Correlation coefficient i. Computed statistic reflecting the strength and direction of an association between two variables b. Direction i. A positive or a negative sign indicating the direction c. Strength i. How close the coefficient is to 1.0 determines the strength ii. Small =.1 to .3 iii. Medium= .3 to.5 iv. Large= .5 to 1.0 9.A true experiment 10. Placebo effect: When behavior changes as a result of a person’s expectation of change rather than as a result of manipulation by an experimenter 11. Placebo control groups: The control group is given a placebo pill in order to judge the effects of an experiment
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12. Double-blind control: Participants are unaware of what group they are in nor are the researchers aware of who is the control and who is not 13. Single-case designs – repeated measurement: Behavior/other client characteristic is measured several times throughout the trial 14. Withdrawal: the researcher tries to determine whether the independent variable is responsible for a change in behavior. 15. Multiple baselines: Measures are taken on two or more behaviors or on a single behavior in two or situations 16. Genetics a. Phenotype: Observable characteristics of an individual (ex: height, weight) b. Genotype: The specific genetic makeup of an individual (ex: eye color)
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