HMEMS80 Assignment 2 (DETAILED ANSWERS) Semester 2 2024 - DISTINCTION GUARANTEED

HMEMS80 Assignment 2 (DETAILED ANSWERS) Semester 2 2024 - DISTINCTION GUARANTEED - DISTINCTION GUARANTEED - DISTINCTION GUARANTEED Answers, guidelines, workings and references .. Question 1 Not yet answered Marked out of 1.00 Flag question Question text The following are examples of non-probability sampling strategy except sampling. a. convenience b. cluster c. purposive d. quota Clear my choice Question 2 Not yet answered Marked out of 1.00 Flag question Question text Quota sampling is an example of ______ sampling. a. probability b. simple random c. nonprobability d. cluster Clear my choice Question 3 Not yet answered Marked out of 1.00 Flag question Question text The best way to maintain confidentiality when conducting research is ______. a. not to keep records secure through password protected files b. to minimise the number of people who see or handle the data c. share information of research participants with friends and family d. not to keep the data in a controlled situation Clear my choice Question 4 Not yet answered Marked out of 1.00 Flag question Question text Content validity measures how well ______. a. test estimates a criterion b. a test assesses some underlying construct c. the items represent the entire universe of items d. a test predicts a criterion Clear my choice Question 5 Not yet answered Marked out of 1.00 Flag question Question text Identify the dependent variable in the following hypothesis: "There will be a statistically significant difference in graduation rates of at?risk high school seniors who participate in an intensive study program as opposed to at?risk high school seniors who do not participate in the intensive study program." a. Participation in intensive study program. b. Graduation rates. c. At?risk high?school seniors. d. Participation group. Question 6 Not yet answered Marked out of 1.00 Flag question Question text Type II errors cannot be decreased by increasing the sample size a. True b. False Clear my choice Question 7 Not yet answered Marked out of 1.00 Flag question Question text Which of the following form part of ethical guidelines? a. The person conducting the research is the one who is the first and most important judge of its ethical acceptability. b. Every effort should be made to minimize risk to the participants. c. Whenever possible, participants should be shielded from physical and psychological harm. d. All the above. Clear my choice Question 8 Not yet answered Marked out of 1.00 Flag question Question text Ordinal level variables ______. a. are categorical in nature b. have a true?zero c. reflect rankings d. have equidistant points along some underlying continuum Clear my choice Question 9 Not yet answered Marked out of 1.00 Flag question Question text Doing a replication research study is another form of plagiarism. a. True b. False Clear my choice Question 10 Not yet answered Marked out of 1.00 Flag question Question text A comparison of the final exam paper with the domains covered by the subject areas would be indicative of obtaining information on the ______ validity of the exam paper. a. content b. criterion c. discriminant d. construct Question 11 Not yet answered Marked out of 1.00 Flag question Question text Which one of the following is not a liability of multiple-choice items? a. There is no opportunity to evaluate writing skills. b. Limits the kind of content that can be assessed. c. They are relatively easy to score. d. They may limit students' options to generate creative answers. Clear my choice Question 12 Not yet answered Marked out of 1.00 Flag question Question text A researcher would like to investigate the relationship between performance anxiety and exam scores over a period of three years. Which research design would be most suitable? a. Experimental b. Qualitative c. Longitudinal d. Quasi-Experimental Clear my choice Question 13 Not yet answered Marked out of 1.00 Flag question Question text Extraneous variables are important to identify and attempt to control when the focus of the research is on proving a causal relationship. a. True because they have an unpredictable impact on the dependent variable. b. False because they do not influence the dependent variable. c. True because experimental research is about controlled investigation. d. False because some variables cannot be controlled. Clear my choice Question 14 Not yet answered Marked out of 1.00 Flag question Question text You are required to determine the effectiveness of the performance management system in your organisation that only has 11 employees. Which type of research would be best suited to this research objective? a. Descriptive b. Qualitative c. Historical d. Correlational Clear my choice Question 15 Not yet answered Marked out of 1.00 Flag question Question text Stratified random sampling is ______. a. convenient and inexpensive b. less random than quota sampling c. time consuming and tedious d. limited in generalisation Question 16 Not yet answered Marked out of 1.00 Flag question Question text Which one of the following statements cannot be applied as a good hypothesis? a. A good hypothesis is stated in declarative form, not as a question. b. A good hypothesis is a testable hypothesis. c. A good hypothesis does not reflect a theory or a body or literature upon which it is based. d. A good hypothesis should be brief and to the point. Clear my choice Question 17 Not yet answered Marked out of 1.00 Flag question Question text Research question: Are female students more active on myUnisa than male students? The null hypothesis would be: a. There is a relationship between female and male students on their activity on myUnisa b. There is a difference between female and male students on their activity on myUnisa c. There is no difference between female and male students on their activity on myUnisa d. There is no relationship between female and male students on their activity on myUnisa Clear my choice Question 18 Not yet answered Marked out of 1.00 Flag question Question text Which of the following is an example of an ordinal level of measurement? a. Gender b. Preference c. Rank in college d. Voting record Clear my choice Question 19 Not yet answered Marked out of 1.00 Flag question Question text A Type 1 error is also known as a ______. a. false positive b. false negative c. double negative d. positive negative Clear my choice Question 20 Not yet answered Marked out of 1.00 Flag question Question text The most appropriate analysis technique to determine whether there is a significant difference between HMEMS80 students from semester 1 and semester 2 in terms of performance (using their final scores) is ______. a. t-test for dependent groups b. t-test for independent groups c. correlational analysis d. covariance analysis Question 21 Not yet answered Marked out of 1.00 Flag question Question text CEMS is interested to know the attitudes of their postgraduate students. Since HMEMS80 is offered in most of the schools in the college, the researchers decide to have the students from this module as participants. A set of questionnaires is prepared and sent as part of assignment 01 and 03 to all HMEMS80 students. Since this research is conducted using students registered for the module, the researchers decide that it may not be necessary to observe all the ethical guidelines because the students are learned enough to know their rights. Which one of the following statements is NOT correct? a. Since the research is conducted by CEMS and is included as part of the assignments, students may feel coerced by the power relations. b. The students know the importance of research; therefore, do not need detailed ethical guarantees for participation. c. It is the responsibility of the researchers to ensure that all ethical guidelines are adhered to at all times. d. The students would still need to give their informed consent especially with assurances of privacy and confidentiality. Clear my choice Question 22 Not yet answered Marked out of 1.00 Flag question Question text Which one of the following questions is an example of a qualitative research question? a. How many children do you have? b. On a scale ranging from 1 (excellent) to 5 (poor), how would you rate your relationship with your lecturer? c. How did you experience your honours degree at UNISA? d. What is your country of origin? Clear my choice Question 23 Not yet answered Marked out of 1.00 Flag question Question text A research article's primary aim is to ______. a. generate new research questions b. indicate existing knowledge c. inform and educate the reader d. evaluate the extent of expertise in the field Clear my choice Question 24 Not yet answered Marked out of 1.00 Flag question Question text Why does one need a large sample size? a. To ensure the accuracy of various statistical techniques. b. To ensure that the results can be generalised to the broader population. c. To increase the reliability of a measuring instrument. d. All the above. Clear my choice Question 25 Not yet answered Marked out of 1.00 Flag question Question text ______ is concerned with the authenticity of the data. a. External criticism b. Accuracy c. Limitation d. Reliability Question 26 Not yet answered Marked out of 1.00 Flag question Question text If a correlation coefficient is .88, we would probably be able to say that the relationship between those variables is ______. a. weak b. inverse c. strong d. moderate Clear my choice Question 27 Not yet answered Marked out of 1.00 Flag question Question text Basic research is research that ______. a. has no immediate application at the time it is completed b. is conducted to solve practical problems c. has immediate application at the time it is completed d. is designed to answer specific questions Clear my choice Question 28 Not yet answered Marked out of 1.00 Flag question Question text Research question: Are female students more active on myUnisa than male students? “Female students are more active on myUnisa than male students.” This is an example of a … hypothesis. a. directional research b. null c. experimental d. non-directional research Clear my choice Question 29 Not yet answered Marked out of 1.00 Flag question Question text Which of the following is not one of the ten commandments of interviewing? a. Do not begin the interview cold. b. Remember that you are there to get information. c. Do not be direct. d. Dress appropriately. Clear my choice Question 30 Not yet answered Marked out of 1.00 Flag question Question text The main advantage of stratified random sampling is that it ______. a. ensures high degree of representativeness and no need to use a table of random numbers b. ensures some degree of representativeness c. ensures high degree of representativeness of all layers in the population d. is convenient and inexpensive Question 31 Not yet answered Marked out of 1.00 Flag question Question text The ______ the correlation, the ______ the degree of relatedness. a. higher; higher b. higher; lower c. lower; higher d. stronger; lower Clear my choice Question 32 Not yet answered Marked out of 1.00 Flag question Question text Which approach is most appropriate for obtaining a deeper understanding of a phenomenon? a. Experimental research. b. Quasi-experimental research. c. Qualitative research. d. Descriptive research. Clear my choice Question 33 Not yet answered Marked out of 1.00 Flag question Question text Descriptive statistics describe ______. a. the relationships amongst variables b. the causal factors within the current research project c. the characteristics of an existing phenomenon d. relational qualities of data Clear my choice Question 34 Not yet answered Marked out of 1.00 Flag question Question text Which of the following, when available, give the researcher descriptive data about the composition of an organisation? a. Direct Observation b. Physical Artifacts c. Focus Groups d. Archival Records Clear my choice Question 35 Not yet answered Marked out of 1.00 Flag question Question text Research question: Are female students more active on myUnisa than male students? For a research problem that determines whether female students participate more than male students, employment status (employed full- time, employed part-time or unemployed) should be considered as a ______. a. second independent variable b. a moderator variable c. an extraneous variable d. second dependent variable Question 36 Not yet answered Marked out of 1.00 Flag question Question text The process through which new knowledge is discovered is called ______. a. theory building b. research c. data analysis d. inferential statistics Clear my choice Question 37 Not yet answered Marked out of 1.00 Flag question Question text You need to determine the relationships between happiness and income. What type of analysis would you use? a. Regressional analysis. b. Descriptive analysis. c. Correlational analysis. d. Factor analysis. Clear my choice Question 38 Not yet answered Marked out of 1.00 Flag question Question text What is considered a very strong correlation coefficient? a. 0.80 to 0.99 b. 1.01 to 1.40 c. 1.50 to 1.80 d. 0.20 to 0.30 Clear my choice Question 39 Not yet answered Marked out of 1.00 Flag question Question text A distinction between basic research and applied research is that basic research has no immediate application at the time it is completed, whereas applied research does. a. True b. False Clear my choice Question 40 Not yet answered Marked out of 1.00 Flag question Question text Hypotheses should be ______ and cannot be ______. a. tested; proven b. proven; tested c. explicit; directive d. outcomes based; manipulated Question 41 Not yet answered Marked out of 1.00 Flag question Question text A colleague of yours was contracted by a company to conduct a climate study in their organisation. After obtaining the results, the CEO asks her for individual participants' results. She approaches you and asks how to handle the situation. She is not sure which type of ethical breach this would be, if any. Indicate which/if any ethical breach could occur if she discloses the participants’ results to the CEO. a. Protection from harm. b. Maintenance of privacy. c. No ethical breach possible. d. Coercion. Clear my choice Question 42 Not yet answered Marked out of 1.00 Flag question Question text Test-Retest Reliability examines ______. a. consistency across raters b. consistency over time c. consistency between forms d. the unidimensional nature of a set of items Clear my choice Question 43 Not yet answered Marked out of 1.00 Flag question Question text If lecturers are interested in determining whether there is a statistically significant relationship between the performance of students based on their year marks from assignments submitted during the semester and the portfolio examination mark, the appropriate statistical test to calculate would be ______. a. correlation analysis b. t?test for dependent groups c. covariance analysis d. regression analysis Clear my choice Question 44 Not yet answered Marked out of 1.00 Flag question Question text Which one of the following is a synonym for a dependent variable? a. Treatment variable. b. Criterion variable. c. Restricting variable. d. Threatening variable. Clear my choice Question 45 Not yet answered Marked out of 1.00 Flag question Question text Research articles must always be carefully evaluated, and the results never taken at face value. a. True b. False Question 46 Not yet answered Marked out of 1.00 Flag question Question text Which one of the following can be seen as an open-ended question? a. How many children do you have? b. What is your monthly income? c. How does that make you feel? d. Are you male or female? Clear my choice Question 47 Not yet answered Marked out of 1.00 Flag question Question text Cross-sectional method examines several groups of people at one point in time. a. False b. True Clear my choice Question 48 Not yet answered Marked out of 1.00 Flag question Question text The university is encouraging students to be more active on myUnisa. The College of Economic and Management Sciences (CEMS) has been monitoring the activity of students on the site. There has also been an interest to determine which students are more active to intensify marketing appropriately. You have been asked to investigate several research questions such as: Research question: Are female students more active on myUnisa than male students? The variables are gender (female and male) and activity on myUnisa. In this example, activity on myUnisa is the ______ variable. a. extraneous b. dependent c. control d. independent Clear my choice Question 49 Not yet answered Marked out of 1.00 Flag question Question text Continuous recording refers to a researcher who ______. a. observes a subject for a fixed amount of time b. records everything that happens during a specific study c. records the number of times a behaviour occurs d. records the length of time that a behaviour occurs Clear my choice Question 50 Not yet answered Marked out of 1.00 Flag question Question text If CEMS has 17 550 registered students for honours and out of those, 9000 are registered for HMEMS80. A researcher is interested in determining whether there is a difference in assignment 01 marks of males aged over 40 and males aged 40 and below for HMEMS80. The population for the study would be all ______. a. registered male students for HMEMS80 b. registered male students for HMEMS80 who submitted assignment 01 c. registered students for HMEMS80 and males would be the sample d. male students who are registered for honours