What is the difference between construct validity, internal validity, and external validity?

1. A researcher is interested in studying the effects of different levels of distraction—none, low, and high—on scores on a test of visual memory. Participants are randomly assigned to one of three conditions: no distraction, low distraction, or high distraction. All participants engage in a test of visual memory. What is the independent variable? What is the dependent variable? What is the purpose of random assignment to groups? What is the purpose of random assignment to groups?

2. Define theory and explain its function. How does theory relate to the practice of psychology?

3. Define hypothesis and provide an example.

4. Describe the content that should appear in a well-written informed consent form for a research study. Why is it important to obtain informed consent? What are the three principles outlined by the Belmont Report? What additional concerns do you have (if any) when obtaining consent from a minor?
5. What is the function of an institutional review board?
6. What is an operational definition of a variable? How might the variable sense of humor be defined operationally? (2 points)
7. Complete Table 4.1 on p. 72 of the text. For each of the eight examples listed, determine whether a positive, negative, or curvilinear relationship exists.

8. Define reliability as it relates to measurement of behavior.

9. Define and describe scales of measurement.

10. What is the difference between construct validity, internal validity, and external validity?

11. What is the difference between correlation and causation? How are third variables controlled for?

Our Service Charter

1. Professional & Expert Writers: On Time Writers only hire the best. Our writers are specially selected and recruited, after which they undergo further training to perfect their skills for specialization purposes. Moreover, our writers are holders of masters and Ph.D. degrees. They have impressive academic records, besides being native English speakers.

2. Top Quality Papers: Our customers are always guaranteed papers that exceed their expectations. All our writers have +5 years of experience. This implies that all papers are written by individuals who are experts in their fields. In addition, the quality team reviews all the papers before sending them to the customers.

3. Plagiarism-Free Papers: All papers provided by On Time Writers are written from scratch. Appropriate referencing and citation of key information are followed. Plagiarism checkers are used by the Quality assurance team and our editors just to double-check that there are no instances of plagiarism.

4. Timely Delivery: Time wasted is equivalent to a failed dedication and commitment. On Time Writers is known for timely delivery of any pending customer orders. Customers are well informed of the progress of their papers to ensure they keep track of what the writer is providing before the final draft is sent for grading.

5. Affordable Prices: Our prices are fairly structured to fit all groups. Any customer willing to place their assignments with us can do so at very affordable prices. In addition, our customers enjoy regular discounts and bonuses.

6. 24/7 Customer Support: At On Time Writers, we have put in place a team of experts who answer all customer inquiries promptly. The best part is the ever-availability of the team. Customers can make inquiries anytime.