# Purchase Solved PSYC 510 Quiz Descriptive Methods

## Purchase Solved PSYC 510 Quiz Descriptive Methods

##### PSYC 510 Quiz: Descriptive Methods, Statistics, and Data Organization

- Which of the following is preferred for graphing a variable with a nominal scale of measurement?
- If deception is necessary for research, according to the Ethical Principles of Psychologists and Code of Conduct, psychologists must explain the deception
**no later than**: - How many General Principles are stated in the Ethical Principles of Psychologists and Code of Conduct?
- Which of the following does NOT have to be included in Informed Consent?
- Whereas histograms are typically used for discrete, scale data, what type of graph is typically used for continuous scale data?
- Which of the following is a measure of variation?
- Using the class interval frequency table below, identify the
*lower class limit*of the last class interval. - Calculate Susan’s
*z*score if she scored a 77% on an exam that has a mean of 85% and a standard deviation of 10. - Which measure of central tendency is most appropriate for use with nominal data?
- If Andre had a
*z*score of 1.41, what percent of people scored higher than him? - Which measure of VARIATION is most appropriate for use with ordinal data?
- If Lane had a
*z*score of (NEGATIVE) -1.41, what percent of people scored HIGHER than her? - Faculty in the psychology department at State University consumes an average of 5 cups of coffee per day with a standard deviation of 1.5. The distribution is normal. How many cups of coffee would an individual at the 25th percentile drink per day?
- sampling is a sampling technique that involves ensuring that the sample is like the population on certain characteristics but uses convenience sampling to obtain the participants.
- Studies in which the researcher does not participate in the situation in which the research participants are involved utilize _____ observation.
- If the shape of a frequency distribution is lopsided, with a long tail projecting longer to the right than to the left, how would the distribution be skewed?
- A z-score is most affected by the
- Faculty in the psychology department at State University consumes an average of 5 cups of coffee per day with a standard deviation of 1. The distribution is normal. What proportion of faculty consumes an amount between 4 and 6 cups?
- Which of the following is a disadvantage of using the range as a measure of variation?
- During the past year, Cindy and Bobby each read 2 books, but Greg read 25, Jan read 12, and Marcia read 9. The median number of books read by these individuals was
- The middle score in distribution after the scores have been arranged from highest to lowest or lowest to highest is the
- A table in which all of the scores are listed along with the frequency with which each occurs is a _____
- The influence of the researcher’s expectations on the outcome of the study refers to
- _____ observation affords _____ control, but increases the chance of _____.
- Rich is conducting a survey of student opinion of the dining hall at his university. In order to make sure that students from each major are adequately represented he should use the _____ sampling technique.
- is/are a lesser concern when using _____ observation because the observations are made in an _____ manner.
- Faculty in the psychology department at State University consumes an average of 5 cups of coffee per day with a standard deviation of 1.5. The distribution is normal. What is the percentile rank for an individual who consumed 8 cups of coffee per day?
- Pam selected every 10th name off of the registrar’s alphabetical list of all students at her university to participate in her study. All of the students at the university represent the _____ and Pam‘s collection of names represents the
- Sue took a test in both biology and math last week. The biology test had a mean of 70 and a standard deviation of 7 whereas the math test had a mean of 75 and a standard deviation of 10. Sue scored a 76 on the biology test and a 76 on the math test. On which test did she do better in comparison to the rest of the class?
- A variable for which the scores represent a change in quantity is a _____ variable.
- When Stella finishes graduate school, she wants to conduct research that can be used immediately in order to improve the lives of others. Stella is most interested in _____ research.
- A property of measurement in which assigning a score of zero indicates an absence of the variable being measured is
- The _____ section is a very brief description of the entire paper.
- A committee charged with evaluating research projects in which human participants are used is a(n)
- When applying for a part-time job at the local supermarket, Bob was given a test to determine how well he would bag groceries. The next week Bob took the SAT in order to satisfy a college admissions requirement. The test at the supermarket was a measure of _____ validity whereas the SAT was a measure of _____ validity.
- A definition of a variable in terms of the activities a researcher uses to measure or manipulate it is a(n)
- is an online database that searches both scholarly journals and popular media sources.
- When we identify factors that indicate when an event or events will occur, we have used
- Because children cannot provide informed consent, children provide _______ to participate in research, to the extent that they are able.
- Mike pitched a great game on Saturday, and he believes that it is because he wore his lucky socks. He has now decided that he will wear these socks for every game of the season because he believes that they will make him lucky. This belief is based on _____.

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