Psy 310 Sec M01

Seven Girl Scouts reported the following individual earnings from their sale of cookies: $17, $23, $13, $15, $12, $19, and $13. In this distribution of individual earnings, the mean is _______the mode and ______the median. a. equal to; equal to b. greater than; equal to c. equal to; less than d. greater than; greater than

3. D Greater than; greater than

Observational studies in which the participants are unaware that the researcher is observing their behavior utilize _______observation.

3. Disguised

A (n) ______ scale is a scale in which objects of individuals are broken into categories that have no numerical properties.

3. Nominal

A graphical representation of a frequency distribution in which vertical bars centered above scores on the x-axis touch each other to indicate that the scores on the variable represent related, increasing values is a ________.

3. histogram

When Dr. Thomas calculated her students' history test scores, she noticed that one student had an extremely high score. Which measure of central tendency should be used in this situation? a. mean b. standard deviation c. median d. either the mean or the median

4. C. median

Measures of ______ are numbers intended to characterize an entire distribution.

4. central tendency

A (n) ______ scale is a scale in which the units of measurements between the numbers on the scale are all equal in size.

4. interval

_____ are full narrative descriptions of a participant's behavior.

4. narrative records

Imagine that 4,999 people whoa re penniless live in Medianville. An individual whose net worth is $500,000,000 moves to Medianville. Now the mean net worth in this town is _______and the median net worth is ______. a. 0;0 b. $100,000;0 c. 0;$100,000 d. $100,000; $100,000

5. B. $100,000;0

A ______ item is a type of item used on a tally sheet on which attributes that will not change are recorded.

5. Static

The _______is the middle score in a distribution after the scores have been arranged from highest to lowest or lowest to highest.

5. median

Questionnaires or interviews that measure how people report that they act, think, or feel are _______.

5. self-report measures

Middle score in the distribution is to ______and score occurring with the greatest frequency is to _____. a. mean; median b. median; mode c. mean; mode d. mode; median

6. B median; mode

_____ occurs when participants act unnaturally because they know they are being observed.

6. Reactivity

______involves a tendency for one group to be overrepresented in a study.

6. Sampling bias

Measures of _____are numbers that indicate how dispersed scores are around the mean of the distribution.

6. variation

Mean is to _____and mode is to _____. a. ordinal, interval, and ratio data only; nominal data only b. nominal data only; ordinal data only c. interval and ratio data only; all types of data d. none of the above

7. C. interval and ratio data only; all types of data

When reliability is assessed by determining the degree of relationship between scores on the same test, administered on two different occasions, _____ is being used.

7. Test-retest reliability

An alternative measure of variation that indicates the average difference between the scores in a distribution and the mean of the distribution is the _____.

7. average deviation

When participants give a response that they believe is deemed appropriate by society, they are giving a ______.

7. socially desirable response

The calculation of the standard deviation differs from the calculation of the average deviation in that the deviation scores are: a. squared b. converted to absolute values. c. squared and converted to absolute values d. it does not differ.

8. A. squared

_______ produces a reliability coefficient that assesses the agreement of observations made by two or more raters or judges.

8. Interrater reliability

Using ______ involves generating a random sample in which each member of the population is equally likely to be chosen as part of the sample.

8. random selection

When we divide the squared deviation scores by N-1 rather than by N, we are using the ________ of the population standard deviation.

8. unbiased estimator

Imagine that distribution A contains the following scores: 11, 13, 15, 18, 20. Imagine that distribution B contains the following scores: 13, 14, 15, 16, 17. Distribution A has a ______standard deviation and a ______average deviation in comparison to distribution B. a. larger; larger b. smaller; smaller c. larger; smaller d. smaller; larger

9. A. a. larger; larger

________ assesses the extent to which a measuring instrument covers a representative sample of the domain of behaviors to be measured.

9. content validity

O represents the _____standard deviation, and S represents the ______ standard deviation.

9. population; sample

_______ is a sampling technique designed to ensure that subgroups are fairly represented.

9. stratified random sampling

Which of the following is true? a. Naturalistic observation involves observing humans or animals behaving in their natural setting. b. Naturalistic observation decreases the ecological validity of a study. c. Laboratory observation increases the ecological validity of a study. d. All of the above.

A. Naturalistic observation involves observing humans or animals behaving in their natural setting.

_______ is (are) a greater concern when using _____observation because the observations are made in a (an) ______manner. a. Reactivity; undisguised; obtrusive b. Expectancy effects; disguised; unobtrusive c. Reactivity; disguised; unobtrusive d. Expectancy effects; disguised; obtrusive

A. Reactivity; undisguised; obtrusive

Tom did really well on his psychology exam last week, and he believes that it is because he used his lucky pen. He has now decided that he must use this pen for every exam that he writes because he believes that it will make him lucky. This belief is based on: a. superstition b. rationalism c. authority d. science

A. Superstition

The study of psychological issues to seek knowledge for its own sake is to ______ and the study of psychological issues that have practical significance and potential solutions is to _______. a. basic; applied b. applied; basic c. naturalistic; laboratory d. laboratory; naturalistic

A. basic; applied

Sue decided to have subjects in her study of the relationship between amount of time spent studying and grades keep a journal of how much time they spent studying each day. The type of measurement that Sue is employing is known as a(n): a. behavioral self-report measure b. cognitive self-report measure. c. affective self-report measure d. aptitude test.

A. behavioral self-report measure

Measuring in whole units is to ________ and measuring in whole units and/or fractional amounts is to ______. a. discrete variable; continuous variable b. continuous variable; discrete variable c. nominal scale; ordinal scale d. both a and c.

A. discrete variable; continuous variable

Consider the following survey question: "Most Americans consider a computer to be a necessity. Do you agree?" This is an example of a _______question. a. leading b. loaded c. rating scale d. double-barreled

A. leading

A question including non-neutral or emotionally laden terms is a _______question. a. loaded b. leading c. double-barreled d. open-ended

A. loaded

The letter grade on the test is to the _____ scale of measurement and height is to the ______ scale of measurement. a. ordinal; ratio b. ordinal; nominal c. nominal; interval d. interval; ratio

A. ordinal; ratio

A tally sheet on which attributes that will not change are recorded utilizes ____ items. a. static b. action c. narrative d. nonnarrative

A. static

_________ research involves the study of psychological issues that have practical significance and potential solutions.

Applied

A ______ is a graphical representation of a frequency distribution in which vertical bars are centered above each category along the x-axis and are separated from each other by a space indicating that the levels of the variable represent distinct, unrelated categories. a. histogram b. frequency polygon c. bar graph d. class interval histogram

1. C. bar graph

Observational studies in which the researcher does not participate in the situation in which the research participants are involved utilize ________ observation.

1. Nonparticipant

A definition of a variable in terms of the activities a researcher used to measure or manipulate it is an _______.

1. Operational definition

A ______ is a table in which all of the scores are listed along with the frequency with which each occurs.

1. frequency distribution

A _____ is a figure showing the relationship between two variables that graphically represents the relationship between the variables.

1. scatterplot

Which of the following is not true? a. All scores in the distribution are used in the calculation of the range. b. the average deviation is a more sophisticated measure of variation than the range; however, it may not weight extreme scores adequately. c. The standard deviation is the most sophisticated measure of variation because all scores in the distribution are used and because it weights extreme scores adequately. d. None of the above.

10. A. All scores in the distribution are used in the calculation of the range.

Questions for which participants choose from a limited number of alternatives are known as _______.

10. closed-eyed questions

The degree to which a measuring instrument accurately measures a theoretic construct or trait that t is designed to measure is assessed by ________.

10. construct validity

A distribution in which the peak is to the left of the center point and the tail extends toward the right is a ______skewed distribution.

10. positively

If the shape of a frequency distribution is lopsided, with a long tail projecting longer to the left than to the right, how would the distribution be skewed? a. normally b.negatively c. positively d. nominally

11. B.negatively

A numerical scale on which survey respondents indicate the direction and strength of their responses is a ________.

11. rating scale

A number that indicates how many standard deviation units a raw score is from the mean of a distribution is a ________.

11. z-score

If Jack scored 15 on a test with a mean of 20 and a standard deviation of 5, what is his z-score? a. 1.5 b. -1.0 c. 0.0 d. Cannot be determined

12. B. -1.0

A question that sways a respondent to answer in a desired manner is a _________.

12. leading question

The normal distribution with a mean of 0 and a standard deviation of 1 is the ______.

12. standard normal distribution

Faculty in the physical education department at State University consume an average of 2,000 calories per day with a standard deviation of 250 calories. The distribution is normal. What proportion of faculty consumes an amount between 1,6-00 and 2,400 calories? a. .4452 b. .8904 c. .50 d. None of the above

13. B. .8904

If the average weight for women is normally distributed with a mean of 135 pounds, then approximately 68% of all women should weigh between _______ and _____ pounds. a. 120; 150 b. 120;135 c. 105;165 d. cannot say from the information given.

14. A. 120; 150

Sue's first philosophy exam score is -1 standard deviation from the mean in a normal distribution. The test has a mean of 82 and a standard deviation of 4. Sue's percentile rank would be approximately: a. 78% b. 84% c. 16% d. cannot say from the info given.

15. C. 16%

Qualitative variable is to quantitative variable as ______is to ________. a. categorical variable; numerical variable b. numerical variable; categorical variable c. bar graph; histogram d. categorical variable and bar graph; numerical variable and histogram

2. D. categorical variable and bar graph; numerical variable and histogram

The extent to which an experimental situation can be generalized to natural settings and behaviors is known as _______.

2. Ecological validity

_____ is a property of measurement in which the ordering of numbers reflects the ordering of the variable.

2. Magnitude

A categorical variable for which each value represents a discrete category is a ______ variable.

2. qualitative

__________ are questions that are potentially answerable by means of currently available research techniques.

Empirically solvable problems

If observers disagree 20 times out of 80, then the interrater reliability is: a. 40% b. 75% c. 25% d. Not able to be determined.

B. 75%

An individual's potential to do something is to _______ and an individuals' competence in an area is to _______. a. tests; self-report measures b. aptitude tests; achievement tests c. achievement tests; aptitude tests d. self-report measures; behavioral measures

B. aptitude tests; achievement tests

Which of the following is not a type of validity? a. criterion validity b. content validity c. face validity d. alternate-forms validity

B. content validity

Which of the following is a participants (subject) variable? a. amount of time given to study a list of words. b. fraternity membership c. the number of words in a memory test d. all of the above

B. fraternity membership

A prediction regarding the outcome of a study is a (an) ________ and an organized system of assumptions and principles that attempts to explain certain phenomena and how they are related is a (an) ________. a. theory; hypothesis b. hypothesis;theory c. independent variable; dependent variable d. dependent variable; independent variable

B. hypothesis; theory

In an experimental study of the effects of time spent studying on grades, time spent studying would be the: a. control group b. independent variable. c. experimental group d. dependent variable.

B. independent variable.

Checklists are to _________ and narrative records are to ______. a. more subjective; less subjective b. less subjective; more subjective c. less objective; more objective d. both b and c

B. less subjective; more subjective

Arranging a group of individuals from heaviest to lightest represents the _______ property of measurement. a. identity b. magnitude c. equal unite size d. absolute zero

B. magnitude

Negative correlation is to ______ and positive correlation is to _______. a. increasing or decreasing together; moving in opposite directions b. moving in opposite directions; increasing or decreasing together. c. independent variable; dependent variable. d. dependent variable; independent variable.

B. moving in opposite directions; increasing or decreasing together.

Personal interview surveys have the concern of ______but have the advantage of ______. a. low return rate; eliminating interview bias b. interviewer bias; question clarification c. sampling bias; eliminating interviewer bias d. both b and c

B. nterviewer bias; question clarification

Weight is to the ______ scale of measurement and political affiliation is to the ______ scale of measurement. a. ratio; ordinal b. ratio; nominal c. interval;nominal d. ordinal;ratio

B. ratio; nominal

An open-ended question is to a _______question as a closed-ended question is to a _______ question. a. multiple choice; short answer b. short answer; multiple choice c. short answer; essay d. multiple choice; essay

B. short answer; multiple choice

Which of the following is true? a. Test-retest reliability is determined by assessing the degree of relationship between scores on one half of a test with scores on the other half of the test. b. Split-half reliability is determined by assessing the degree of relationship between scores on the same test, administered on two different occasions. c. Alternate-forms reliability is determined by assessing the degree of relationship between scores on two different, equivalent tests. d. None of the above.

C. Alternate-forms reliability is determined by assessing the degree of relationship between scores on two different, equivalent tests.

Select the single best answer for each of the following questions. If you have trouble answering any of the questions, restudy the relevant material. a. Laboratory; construct; naturalistic b. Laboratory; ecological; naturalistic c. Naturalistic; ecological; laboratory d. Naturalistic; content; laboratory

C. Naturalistic; ecological; laboratory

If a researcher assigns subjects to groups based on, for example, their GPA, the researcher would be employing: a. a manipulated independent variable b. random assignment. c. a participant variable. d. a manipulated dependent variable.

C. a participant variable.

Naturalistic observation is to _______as laboratory observation is to _______. a. more control; more flexibility b. more control; less control c. more flexibility; more control d. more flexibility; less control

C. more flexibility; more control

Ray was interested in the mating behavior of squirrels so the went into the field to observe them. Ray is using the _____ method of research. a. case study b. laboratory observational c. naturalistic observational d. correlational

C. naturalistic observation

Imagine that you wanted to assess student opinion of the dining hall by surveying a subgroup of 100 students at your school. In this situation, the subgroup of students represents the ______, and all of the students at your school represent the _______. a. sample; random sample b. population; sample c. sample; population d. cluster sample; sample

C. sample; population

A ________ is an in-depth study of one or more individuals.

Case Study

The ______ group is the group of subjects that serves as the baseline in a study. They do not receive any level of the independent variable.

Control

The ________ method is a method in which the degree of relationship between at least two variables is assessed.

Correlational

Which of the following correlation coefficients represents the variables with the weakest degree of relationship? a. -.99 b. -.49 c. +.83 d. +.01

D. +.01

Which of teh collowing is true: a. construct validity is the extent to which a measuring instrument covers a representative sample of the domain of behaviors to be measured. b. criterion validity is the extent to which a measuring instrument accurately predicts behavior or ability in a given area. c. Content validity is the degree to which a measuring instrument accurately measures a theoretic construct or trait that it is designed to measure. d. Face validity is a measure of the truthfulness of a measuring instrument.

D. Face validity is a measure of the truthfulness of a measuring instrument.

_______ involves making claims that appear to be scientific but that actually violate the criteria of science. a. The principle of falsifiability b. systemic empiricism c. Being a skeptic d. Pseudoxcience

D. Pseudoscience.

A belief that is based on subjective feelings is to gaining knowledge via ________ and stubbornly clinging to knowledge gained from repeated ideas is to gaining knowledge via _______. a. authority;superstition b. superstition; intuition c. tenacity; intuition d. superstition; tenacity

D. Superstition; tenacity

Baseline is to treatment as _______ is to _______. a. independent variable; dependent variable b. dependent variable; independent variable c. experimental group; control group d. control group; experimental group.

D. control group; experimental group.

In a study of the effects of alcohol on driving performance, driving performance would be the: a. control group. b. independent variable. c. experimental group. d. dependent variable.

D. dependent variable.

Gender is to the _____ property of measurement and time is to the _______ property of measurement. a. magnitude; identity b. equal unit size; magnitude c. absolute zero; equal unit size d. identity; absolute zero

D. identity; absolute zero

Rich is conducting a survey of student opinion of the dining hall at his university. Rich decided to conduct his survey by using every tenth name on the registrar's alphabetical list of all students at his school. The type of sampling technique that Rich is using is: a. representative cluster sampling. b. cluster sampling c. stratified random sampling. d. random sampling

D. random sampling

The three goals of science are ________. _________ and ________.

Description, prediction, explanation

A _________ is a prediction regarding the outcome of a study that often involves a prediction regarding the relationship between two variables in a study.

Hypothesis

The variable in a study that is manipulated is the ______ variable.

Independent

To gain knowledge without being consciously aware of where the knowledge was gained exemplifies gaining knowledge via ____________.

Intuition

All of the people about whom a study is meant to generalize are the __________.

Population

__________ involves making claims that appear to be scientific but that actually violate the criteria of science.

Pseudoscience

A person who questions the validity, authenticity, or truth of something purporting to be factual is a _________.

Skeptic

A characteristic inherent in the subjects that can not be changed is known as a ________ variable.

Subject (participant)

To gain knowledge from repeated ideas and to cling stubbornly to them despite evidence to the contrary exemplifies gaining knowledge via __________.

Tenacity