Experimental Psychology Module 4
I ask a number of people to volunteer to respond to a survey about the volleyball court at UTPB. My results, obtained from 15 students who were willing to complete my survey, indicate that the volleyball court is a cherished and well utilized space on campus. One potential bias in my survey may result from __________.
Non-response error
What would you recommend Pepsi-Cola do differently?
Sample consumers from across the nation to ensure that people who like limes and mint and those who do not respond....
When a question such as, "Do you feel anxious often and talk to others about it," appears on a survey it is called a __________ question.
double-barreled
Which of the following sampling techniques is likely to create the smallest amount of sampling error?
simple random sample
When the lifeguard analyzed his data from his survey of children he found that no one reported peeing in the pool over the summer. The lifeguard concluded that the item was likely biased because of _______________.
social desirability
All studies, regardless of sampling technique are subject to sampling error
true
Which of the following describes a stratified random sample?
60% of the population is left-handed so 60% of the subjects chosen are also left-handed
The Pepsi-Cola company uses a survey to determine whether consumers enjoy their new Mint-Lime flavored soda. People in New Mexico, Arizona, and West Texas are asked to try the beverage and respond to a survey. The cola is big hit. Pepsi decides to put the cola on the market but is surprised when sales are less favorable than projected. What bias influenced their finding
Coverage error
Which of the following does not require that you know the chances that any one individual will be selected?
Volunteer/Convenience samples
An experiment was conducted to test the hypothesis that exercise affects memory in the elderly. Participants aged 60 and older who responded to an ad in the local newspaper were recruited for the study. All of the participants were presented with the same study list. Then, half of the participants used a treadmill and the other half solved puzzles for 20 minutes. Then, all participants completed a recognition test for the study list. Which sampling technique was used for this study?
Volunteer/convenience sample
Which of the following describes a cluster sample?
a group of students in a local preschool class are selected as a sample to represent all preschoolers in the area
An experiment was conducted to test the hypothesis that exercise affects memory in the elderly. Participants aged 60 and older who responded to an ad in the local newspaper were recruited for the study. All of the participants were presented with the same study list. Then, half of the participants used a treadmill and the other half solved puzzles for 20 minutes. Then, all participants completed a recognition test for the study list. What is the most likely population for this study?
adults over the age of 60
A Likert scale is an example of a(n) _____ response scale?
closed-ended
The development and validation of surveys is called __________.
psychometrics
The difference is scores that occurs when we test a sample drawn from a population is called _____
sampling error
Which of the following sampling techniques involves choosing individuals from the population at random such that the proportions of members of different groups are the same in the population and the sample?
stratified random sample
which of the following sampling techniques involves choosing individuals at random from pre-existing groups within the populations
stratified random sample
