Discussion Question Suppose you drew a random sample of all licensed clinical psychologists in your community to interview by phone. On the days you made the phone calls, some of the psychologists were not available to be interviewed, so you drew replacements for them at random from the population of licensed clinical psychologists. Speculate on … Continue reading Topic 25, DQ 3: Biased and Unbiased Sampling
Topic review question: What does stratification mean in random sampling? Stratification or stratified random sampling is a method that is used where the population of a group starts to divide into smaller groups. These sub- groups are known as strata. When you stratify a population, you begin to create different layers. This has been … Continue reading Topic 27, TQ: Stratification in Random Sampling
Discussion Question: Suppose a friend was planning to use simple random sampling in a research project from which he or she wants to generalize to all students on a campus. Would you recommend drawing names from a hat or using a table of random numbers? Why? My Answer: I believe that the friend would want to use … Continue reading Topic 26 DQ 1 Simple Random & Systematic Sampling
Discussion Question Name a trait you think is elusive and thus may be difficult to measure with great validity. Discuss different ways the trait could be measured. Elusive Traits Our text states that ‘no test is perfectly valid’ (Patten & Newhart, 2018). It is an accepted fact that no measurement tool or concept can perfectly … Continue reading Topic 35, DQ 2: Elusive Validity Measurements
Reliability and its Relationship to Validity Discussion Question: Consider the example of the employer who was trying to identify the best employees by using a measure of punctuality because it was reliable, even though it was not especially valid. Name one or two other traits that might be examined in evaluating employees. Comment on whether … Continue reading Topic 39, DQ 1: Reliable and Valid Methods of Evaluation
Deadline: Tuesday, March 9 at 2pm Central It’s that time of year again, almost the middle of the semester! That means the midterm is coming up soon, expect it next week. This week: Work in your small groups to check your article reviews. Use discussion questions and finish the reading to begin preparing for the … Continue reading Weeks 7: Let’s Discuss!