RESEARCH E2- S'21

Which of the following bouillon terms will yield a larger number of references. "AND" "OR"

"OR"

Suppose a researcher wants to sample from populations of 99 clients, and the random starting point is table 26.1 is the first digit in the second row. What are the numbers of the first two real client selected 07 and 30 ( count all numbers - ignoring spaces as long as it is under the total pop count. )

( count all numbers - ignoring spaces as long as it is under the total pop count. )

A sample of adults was at their level of agreement with the statement, "the President of the United States is doing a great job of handling foreign relations." They were permitted to respond with either strongly agree, agree, disagree, or strongly disagree. How many variables were being studied? 1, 2, 3, 4

1 "the President of the United States is doing a great job

according to Topic 32, prestigious national surveys are often conducted using about how many respondents. 500 1000 1500 2000

1500- national survey.

adults who were taking a course to learn ESL were asked to name their country of birth and their number of yrs of formal education? How many variables were being studied? 1 2 3 4

2 country of birth and yrs for formal education.

Mark all true statements that describe a literature review. A) It should consist of a series of summaries of previously published studies. B) it is part of original research. C) it should describe a specific problem area. D) It is a 20% port of a research report.

A, B, D, A) It should consist of a series of summaries of previously published studies. B) it is part of original research. D) It is a 20% port of a research report.

researcher A increased her sample size from 200 to 250. researcher B increased her sample size from 1000 to 1050. which will get a bigger payoff in precision by adding 50

A.

Which of the following will yield a smaller number of references. A) A search for the keyword "discipline" as well as a separate search for the keyword "rewards". B) A search for "discipline AND reward"

B) A search for "discipline AND reward"

If a researcher administers a basic math test to middle school children to see if its course predicts grades in high school algebra, what is the criterion variable? High school algebra grade basic math test in middle school.

High school algebra grade

Suppose a researcher conducted a replication of a study but used a sample form a pop diff from the one used in the first study, what is this referred to as?

Modified replication

(N)

Populations Group generalized to

Non-directional hypothesis, direction hypothesis, research purpose, research questions are acceptable in the scientific community. true or false

True

Mark the true statements below a) Criterion is a term for the standard by which a test discharged b) a validity coefficient of -1.0 indicates there is no relationship. c) a validity coefficient of 1.0 indicates a perfect validity.

a - c a) Criterion is a term for the standard by which a test discharged c) a validity coefficient of 1.0 indicates a perfect validity. (validity coefficient is 0 to 1.0 - perfect)

what are the first useful things to review in research articles and lit reviews to see what topics are important? (mark all that apply). a) review that major subheadings b) look at trends in the research c) review the minor subheadings. d) narrow the focus to the specific topics most relevant.

a) review that major subheadings c) review the minor subheadings.

which of the following are strategies to being a literature review? a) focus on a trend that is increasing or decreasing b) argue for the importance of a trend c) make a case for a topic that has not been adequately researched in the past. d) provide facts about a topic with which the reader is familiar.

all the above. a) focus on a trend that is increasing or decreasing b) argue for the importance of a trend c) make a case for a topic that has not been adequately researched in the past. d) provide facts about a topic with which the reader is familiar

All true statements. a) more often that not, researchers work with samples that are less than ideal. b) Researchers should discuss the limitations of their own studies. c) when a writer presents a finding form the literature without qualifications, readers should conclude that the writer believes the underlying methodology is reasonably sound.

all true statements

all true statements It is safe to say that no test is perfectly valid In research instrument is a generic term for any type of measurement device An instrument is said to be valid to the extent that it measures what it is designed to measure accurately

all true statements

all true statements. A key to creating a synthesis is to write a review that moves from sub-topic to sub-topic. it is desirable to point out major trends and commonalities in the result of previous research.

all true statements.

all true statements. If the population is heterogeneous, researchers can obtain accurate results from a small sample. Researchers usually use large samples in pilot studies. Study design to obtain preliminary information on how nutriment and instructions work or known as systematic studies

all true statements.

all true statements. a) increasing sample size does not reduce bias. b)increasing the sample size increases precision. c) the results from a study involving a very large sample can have wrong results.

all true statements.

a researcher mails a questionnaire to all pts of a dental hygienist and, and 50% of them are completed and returned, is this biased or unbiased.

biased

which one of the following relies on judgement? content validity face validity both content and face validity

both content and face validity

a researcher realized that a subgroup is underrepresented in his study. which of the following is not an option for what he can do? a) make a statistical adjustment in the results. b) count the responses of the underrepresented subgroup more in the analysis. c) require the subgroup to being more participants into the study. d) warn readers that the subgroup is underrepresented.

c) require the subgroup to being more participants into the study.

if every member of a population is studied, what is it called?

census

when a researcher collects a criterion data at about the same time the test is being administered, what type of validity is being examined? criterion-related predictive concurrent-related.

concurrent-related.

what type of variables are these: country of birth numbers of yrs of formal education.

country of birth ==> Categorical nominal variable. numbers of yrs of formal education. ==> Continuous ratio variable.

WHICH OF THE FOLLOWING STATEMENTS IS NOT TRUE? a) The first step in planning research is to identify a broad problem b) Researchers should expect to find conflicting results in the research literature on a given copy. c) A review of literature can help a researcher establish the importance of the topi and show how the research flows from important studies conducted by established researchers. d) In journal articles, the lit review is usually integrated into the abstract.

d) In journal articles, the lit review is usually integrated into the abstract.

"excerpts from lit reviews" can be found in your appendix. which one of the following topics is not included in the section? a) rs of HIV/AIDS pts with their fam. b) nurses' med errors c)men's health behaviors d) adolescent boy's" behavior problems.

d) adolescent boy's" behavior problems.

it is hypothesized that college students who have firm career goals achieve higher GPAs than those who do not have firm career goals. directional hypothesis or non-directional hypothesis

directional hypothesis

According to this topic, students would be wise to try to find a creative new research idea to explore in their first research project true false

false

Mortality is the term that applies to participants who die while participating in a study. True or false

false

True or false The morals of a tray is the easier it is to measure it with a high degree of validity

false

content validity is relevant only to achievement tests. true or false

false

sample size is the primary consideration when judging the adequacy of a sample. true or false

false

true or false the term homogenous is used in sampling to mean very little variability in the population.

false

true or false to improve content validity.it is desirable to cover only a narrow sample of content form a broad area.

false

novice writers should take the results of each study to be "facts" that have been proven. novice writers often make the common mistake of discussing all studies as though they were equal in quality. true, true true, false false, false false, true

false, true

if a researcher suspects that a trait is rare in a pop, which size sample will the researcher need to identify the incidence of the trait. very small small med large

large ( to make sure it is rare- try to test as large group as possible to make sure)

you will be reviewing five or more articles. It might be helpful to create a spreadsheet to help delineate btwn these articles. What info should be on the spreadsheet? main topic sample sz methodological details authors name.

main topic sample sz methodological details

It is hypothesized that children of immigrants and children of native-born citizens differ in their attitude towards school. directional hypothesis or non-directional hypothesis

non-directional hypothesis

The group in which researchers are ultimately interested in is describing what?

population

tapping (gathering) only a sample of the behaviors underlying the construct a researcher wants to measure has what effect on validity? no affect increase affect reduced affect.

reduced affect

(n)

sample group group info obtained from.

Suppose a professor has his/her students participate in an experiment simply because they are accessible not drawn at random What type of sample is being used Simple random sample sample of convenience

sample of convenience

What kind of sample would be derived from using the table of random numbers? Stratified random simple random

simple random

A researcher look for the causes of social unrest by examining economic variables such as poverty and income. What is a dependent variable? poverty income social unrest

social unrest researchers main goal was to loo, for causes of social unrest

By collecting demographic info. on the participants of a study, a researcher can provide readers with a " picture: of the type of individuals who constitute the sturdy. true or false

true

The target pop. is the pop, that the researcher wants to be able to generalize the results. true false

true

gender, age and marital status might be relevant demographics to consider in survey research. true or false

true

researchers should consider the types of skills required by achievement test items when judging content validity. true or false

true

true or false Lit. review writers should discuss articles together based on findings on the themes.

true

true or false a researcher might deliberately use an instrument with low face validity when he wants to disguise the true purpose of a study.

true

true or false content validity is essential for achievement tests.

true

true or false face validity is base on superficial inspection.

true

true or false it is possible fora test to have high face validity but low content validity

true

To conduct a survey on the OUHSC campus Professor Smith through a random sample of 25 class selections and contacted the instructor, who then administer the questionnaires in class. This is an example of cluster sampling. True or false

true (cluster- group)

A researcher is using systematic sampling when he draws every other individual from a list of the population The arrangement or order of the population of the list does not affect the sample true, true true, false false, false false, true

true, false

in order to connect literature, researchers should come up with an outline of topics that will be included in the study. this is done by summarizing the articles used for the literature review. true, true true, false false, false false, true

true, false

Databases are a curated set of resources that may include journal newspaper articles abstracts government documents and books. They are typically licensed in the contact may be unavailable unless a college or library holds a subscription. true, true true, false false, false false, true

true, true

Quantitative studies typically fall into experimental or non-experimental designs. these studies are also referred to as descriptive or observational studies. true, true true, false false, false false, true

true, true true, false false, false false, true

It is important to compare the demographics of volunteers with the demographics of non-volunteers. true or false

true.