To a historical researcher studying the lives of women pioneers in the late 1880s, letters written by Deloris Adams of Philadelphia, describing the life of her sister, Rebecca Adams, a pioneer woman on the Nebraska plain
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To a historical researcher studying the lives of women pioneers in the late 1880s, letters written by Deloris Adams of Philadelphia, describing the life of her sister, Rebecca Adams, a pioneer woman on the Nebraska plains, represent:
In regard to bias in historical research, the researcher:
Observational research, as a form of descriptive research,
Correlational research allows the researcher to answer questions such as:
A researcher wishes to study developmental changes in people’s preference for action movies. The researcher locates 50
Among survey methods, generally generate the highest response rate, and generally generate the lowest response rate.
In descriptive research, the researcher typically studies a , then draws conclusions about the .
Perry Prose is in possession of a letter allegedly written by President Theodore Roosevelt during his time in o?ce. He has taken the letter to a number of experts, who have examined the paper, ink, handwriting, and content of the letter in an attempt to establish its authenticity. Dr. Prose is attempting to establish regarding the validity of the letter.
Fran Freedom is trying to determine what the phrase “with liberty and justice for all” from the Pledge of Allegiance meant at the time it was penned. She suspects there were actually some limits on “all.” Dr. Freedom is attempting to establish regarding the validity of the letter.
A researcher wishes to study developmental changes in the music people prefer to listen to. The researcher locates 50 people who are about 20 years old. She sends these people a questionnaire every year for the next 10 years asking about the types of music they prefer to listen to. This is an example of a design.
Polly Petunia is Chief Horticulturalist for the Southwest region, encompassing Arizona, New Mexico, and Texas. She wants to survey amateur gardeners in her region to determine what, if any, water conservation practices they employ in their home gardening. Polly sends her survey to 150 randomly selected gardeners in each state. Polly is using:
Paul Pollster, a political psychologist, wants to determine whether rates of voter participation in his home state vary between rural, urban, and suburban voters. He notes that there are more rural voters than suburban or urban voters in the state. Paul should use in this study.
Simon Cinema wants to know what the audience thought of tonight’s advanced screening of a heralded psychological thriller called “I Can’t Sleep.” He and his research assistants stand outside the theatre exit and ask every fifth person leaving the theatre to answer several questions about their impression of the movie. Simon is using:
Edward Ethics is studying public opinion regarding prayer in public schools. He plans to gather survey data from a number of churches on Sunday mornings. He also wants to include a number of people who are not associated with an organized religion in his sample. Edward is using:
Danny Drive wants to know the relationship between intrinsic motivation and course grade among math students. He contacts a local professor who teaches several general education math classes and asks about the possibility of gathering data in her classes. Danny is using:
Statistical hypothesis testing involves testing the: A.research hypothesis
“There will be di?erences in degree of mood elevation seen in depressed clients after receiving either cognitive-behavioral or psychoanalytic therapy.”
“There will be di?erences in degree of mood elevation seen in depressed clients after receiving either cognitive-behavioral or psychoanalytic therapy.”During a test of this hypothesis, it was discovered that some of the participants lived with family members and others lived alone. This variable, living situation, is a/an .
Dr. Dow Jones wants to know whether a problem-based approach to teaching economics will result in higher academic performance than his traditional method. Of the six sections of Economics 101 at his university, Dr. Jones randomly assigns three sections to the traditional method and three sections to the problem-based method. At the end of the semester, all students complete the same final exam. In this design, students studying under the traditional method constitute the:
Dr. Dow Jones wants to know whether a problem-based approach to teaching economics will result in higher academic performance than his traditional method. Of the six sections of Economics 101 at his university, Dr. Jones randomly assigns three sections to the traditional method and three sections to the problem-based method for Unit 1 of the course. Then all sections switch instructional method for Unit 2. He plans to compare the performance of the two groups of sections on their Unit 1 and Unit 2 exams. This study employs a design.
Penny Poodle wanted to know which dog obedience training program was more e?ective: Puppy Pride, the approach she has been using for any years, or Doggie Do-Right, a new approach. Penny convinced 50 human companions of untrained dogs to participate in her study. The dogs and their humans were randomly assigned to complete the Puppy Pride or Doggie Do-Right course. At the end of the training programs, all of the dogs were scored on their level of obedience on a standardized dog obedience checklist (scores could range from 10 to 100). In this study, is the independent variable.
Penny Poodle wanted to know which dog obedience training program was more e?ective: Puppy Pride, the approach she has been using for any years, or Doggie Do-Right, a new approach. Penny convinced 50 human companions of untrained dogs to participate in her study. The dogs and their humans were randomly assigned to complete the Puppy Pride or Doggie Do-Right course. At the end of the training programs, all of the dogs were scored on their level of obedience on a standardized dog obedience checklist (scores could range from 10 to 100). This study employed a/an design.
Dr. Robbins wants to know if there are di?erent opinions regarding the value of public school education between Native Americans who have at least one relative who attended Indian Boarding School and Native Americans who have no family experience with Indian Boarding School. Dr. Robbins contacts 35 Native American participants in each group. He wants each group to include younger as well as older adults, and a mix of male and female participants. He asks each person to complete a survey about their attitudes toward public education. In this study, is the dependent variable.
Shenny has been collecting quantitative and qualitative data within the same time frame. Each data set aims to address related but di?erent research questions. Which design has Shenny employed?
Mixed-methods research is characterized by the use of
Which of the following is the major advantage of mixed-methods research?
A researcher collects survey data to identify specific participants with diverse opinions about a controversial proposal for reforming afterschool programs in the districts. Focus groups are held so the researcher can understand more completely these participants' perspectives. This mixed methods design is best characterized as
Zoe explores how engagement in the arts in early age a?ects the development of problem solving skills of young children. She distributes surveys among parents of children who participate in a local theatre production, and follows up the survey with selected interviews. Which of the following best illustrates Zlata’s study?
How are inferential statistics di?erent from descriptive statistics?
Dorothy has been surveying the Munchkins to determine their level of life satisfaction. The possible scores on the life satisfaction questionnaire range from 0 to 100. If Dorothy decides to statistically compare the male and female Munchkins on their level of satisfaction, she should use a test.
are characteristics of samples, whereas are characteristics of populations.
The mean of this set of scores 5, 3, 7, 3, 6, 2, 5, 3 is .
The median of this set of scores 5, 3, 7, 3, 6, 2, 5, 3 is .
The mode of this set of scores 5, 3, 7, 3, 6, 2, 5, 3 is . A.3
The z-score, or standard score, allows the research to determine:
The percentile rank allows the researcher to determine:
An exam was given to two sections of the same course. In Section 1, the exam mean was 51 and the standard deviation was 7. In Section 2, the exam mean was 51 and the standard deviation was 13. Which of the following conclusions is accurate?
Danzell is a purchasing agent for a major grocery store chain. He has noticed over the years that the higher the outdoor temperature, the more likely people are to buy fresh fruit. Based on Danzell’s observations, we would say there is relationship between outdoor temperature and buying of fresh fruit.
Frank Fitness found a correlation coe?cient of –.74 between hours of strenuous exercise each week and a standard measure of body mass. He interprets this to mean that there is a and relationship between hours of strenuous exercise and body mass.
Three of the following factors are associated with a relatively small standard error of the mean. Which one is NOT?
On the basis of statistical findings, Ron determines that the di?erences between males and females on a test of spatial reasoning are not due merely to chance. If, in fact, there are no gender di?erences in the population, Ron will have made a:
Seamus has determined that there is a 95% chance that the number of people visiting the Blarney Stone in the month of June will be between 1,760 and 2,025. This is a/an
“Johnson eliminated three interviews from the data set due to noncompliance on the part of the respondents.” This sentence is an example of:
“The third subscale was dropped from further consideration due to problems with internal consistency.” This sentence is an example of:
Which list below represents the correct ordering of the sections of an APA paper?
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