True or false: Attrition of subjects in a research study is still a large threat to...
True or false:
- Attrition of subjects in a research study is still a large threat to control even when using description or correlation methodology.
- In a study, 100 subjects agree to participate in the study. 75 subjects actually complete the study. Those loss to attrition are a threat to external validity.
Homework Answers
Answer: True
( The attrition of subjects in a researchs tudy could be a large threat because it causes increase risk to the external validity. Maximum number of people drop out the subject make it more difficult)
Add Answer to:
True or false:
Attrition of subjects in a research study is still a large
threat to...
Answer the following questions: 1) Which of the following research designs poses a threat to internal validity called se...
Answer the following questions: 1) Which of the following research designs poses a threat to internal validity called selection? a) one-shot case study b) one-group pretest-post test c) static-group comparison d) one-group 2) This type of research is considered a descriptive methodology in which results of interviews, observations, or questionnaires reveal what is happening at a particular occurrence. It involves recording, describing, analyzing, and interpreting conditions that presently exist. Comparisons and contrasts are attempted to reveal relationships between the non-manipulated...
A research study is conducted where 15 participants complete a 12-week control period followed by a...
A research study is conducted where 15 participants complete a 12-week control period followed by a 12-week exercise intervention. What type of research is this? True experimental Correlational Pre-experimental Quasi-experimental Question 2 (1 point) ✓ Saved What type of research collects fairly unstructured data via interviews and focus groups? Quantitative Qualitative Which type of research is attempting to establish the presence/absence of "cause- effect"? Correlational Descriptive Experimental Historical Question 4 (1 point) ✓ Saved When considering the threats to internal...
1. Ifa study includes random assignment but not a control group, the design may still be...
1. Ifa study includes random assignment but not a control group, the design may still be considered to be a true experimental design. True a. b. False Using control groups help account for which of the following threats to internal validity except? 2. History a. b. Testing Maturation c. None of the above d. If the results of a study determine that an intervention did not work, though for reasons not related to the intervention, the 3. study would have...
The group that does not receive the intervention is known as the experimental group. True False...
The group that does not receive the intervention is known as the experimental group. True False John and Mary are both taking Warfarin to lower their risk of emboli forming. They both agree to participate in a clinical trial for a new medication. John stays on Warfarin while Mary is in the group to try the new medication. Mary is in the control group. True False John and Martin are both participating in a trial for a new liquor that...
27. Interpret your findings that you calculated in # 26. study design. c. experimental 28. The...
27. Interpret your findings that you calculated in # 26. study design. c. experimental 28. The well-known Framingham Study employs the a case-control b. cohort 20. When selecting control subjects for a case-control study, the control group members should (select the best answer): resemble the case subjects b. have already had the disease of interest have had no opportunity to be exposed to the disease. be very ill hospital patients 30. True False W hen using the cohort study design...
9. When you desire to study the effects of a rare exposure on a disease using...
9. When you desire to study the effects of a rare exposure on a disease using observational methods, you would optimally employ the type of study design. Remember you would likely need to conduct your study in a place where the exposure occurs. cohort b ase-control 10. Another name for a retrospective study is an) study b. cohort e experimental 11. You have completed a year long study of the effectiveness of a reading program among second graders. At the...
3) True or False? If the goal of the study is to understand populations, describe patterns, or ask research questions that are not focused on causality, the best design may be a cross-sectional or co...
3) True or False? If the goal of the study is to understand populations, describe patterns, or ask research questions that are not focused on causality, the best design may be a cross-sectional or cohort study. True False 5) True or False? Case definitions are essential for any outbreak investigation no matter which study approach is used to investigate the epidemic. 6) True or False? Cross-sectional surveys are used to establish baseline data prior to the initiation of longitudinal studies....
18. True or false: When conducting any type of research, but especially qualitative research, marketers should...
18. True or false: When conducting any type of research, but especially qualitative research, marketers should keep in mind that the mere act of observing can alter the behavior of the observed subject. True False 19. You work for a major retailer and have been asked to develop a study to evaluate the organization of the retailer’s stores and how consumers shop in the stores. Which of the following types of research would be most appropriate for this task? A)...
Question 1 FLAG QUESTION In a study to investigate whether pet therapy improves exam scores, students...
Question 1 FLAG QUESTION In a study to investigate whether pet therapy improves exam scores, students who interacted with a therapy pet scored higher than students who did not. Which of the following is closest to describing what 'internal validity' refers to for this study? Answers A-D A the confidence that improved exam scores were attributed to the pet therapy, B the confidence that results of the study can be generalized to other students taking an exam. C experts having...
1. Kinetics is the study of forces acting on a system. True False 2. Kinematics is...
1. Kinetics is the study of forces acting on a system.
True
False
2. Kinematics is the study of motion without regard to its
causes (forces).
True
False
3. The similarity between the Macrocycle Flowchart, the Training
Pyramid and the Goals for Performance pyramid can be best described
as an athlete should have a structured foundation and not proceed
too early.
True
False
4. When should static stretching be performed?
Minutes before event performance
Hours prior to event or the...
A research study is conducted where 15 participants complete a 12-week control period followed by a 12-week exercise intervention. What type of research is this? True experimental Correlational Pre-experimental Quasi-experimental Question 2 (1 point) ✓ Saved What type of research collects fairly unstructured data via interviews and focus groups? Quantitative Qualitative Which type of research is attempting to establish the presence/absence of "cause- effect"? Correlational Descriptive Experimental Historical Question 4 (1 point) ✓ Saved When considering the threats to internal...
1. Ifa study includes random assignment but not a control group, the design may still be considered to be a true experimental design. True a. b. False Using control groups help account for which of the following threats to internal validity except? 2. History a. b. Testing Maturation c. None of the above d. If the results of a study determine that an intervention did not work, though for reasons not related to the intervention, the 3. study would have...
27. Interpret your findings that you calculated in # 26. study design. c. experimental 28. The well-known Framingham Study employs the a case-control b. cohort 20. When selecting control subjects for a case-control study, the control group members should (select the best answer): resemble the case subjects b. have already had the disease of interest have had no opportunity to be exposed to the disease. be very ill hospital patients 30. True False W hen using the cohort study design...
9. When you desire to study the effects of a rare exposure on a disease using observational methods, you would optimally employ the type of study design. Remember you would likely need to conduct your study in a place where the exposure occurs. cohort b ase-control 10. Another name for a retrospective study is an) study b. cohort e experimental 11. You have completed a year long study of the effectiveness of a reading program among second graders. At the...
Question 1 FLAG QUESTION In a study to investigate whether pet therapy improves exam scores, students who interacted with a therapy pet scored higher than students who did not. Which of the following is closest to describing what 'internal validity' refers to for this study? Answers A-D A the confidence that improved exam scores were attributed to the pet therapy, B the confidence that results of the study can be generalized to other students taking an exam. C experts having...
1. Kinetics is the study of forces acting on a system.
True
False
2. Kinematics is the study of motion without regard to its
causes (forces).
True
False
3. The similarity between the Macrocycle Flowchart, the Training
Pyramid and the Goals for Performance pyramid can be best described
as an athlete should have a structured foundation and not proceed
too early.
True
False
4. When should static stretching be performed?
Minutes before event performance
Hours prior to event or the...
Most questions answered within 3 hours.
-
what is the most likely shape for a distribution with a mean of
40 and a...
asked 29 seconds ago -
18.54----At the surface of Venus the average temperature is a
balmy 460 ∘C due to the...
asked 5 minutes ago -
The work function, Φ0 (or W0), for cesium is 3.43×10−19 J. The
frequency of a photon...
asked 6 minutes ago -
Grommit Engineering expects to have net income next year of $
29.71 million and free cash...
asked 7 minutes ago -
A bowling ball (solid sphere) of mass 5.0 kg and
radius of 11cm. What is theangular...
asked 12 minutes ago -
Assume you used Analysis of Variance to compare the student debt
for 100 college graduates--25 from...
asked 15 minutes ago -
jane 49 contributed 6000 to her ira on November 11
2018 she comes into your office...
asked 12 minutes ago -
a company just paid an annual dividend of $1.20 per share. the
share is priced at...
asked 15 minutes ago -
What was happening in the workplace before the signing of the
Civil Rights Act of 1964?
asked 19 minutes ago -
The probability that a randomly selected teenager studied at
least once during a week was only...
asked 24 minutes ago -
At 20.0°C, the vapor pressure of ethanol is 45.0 torr, and the
vapor pressure of methanol...
asked 26 minutes ago -
13.
Given the following definitions:
U = {1, 2, 3, 4, 5, 6, 7}
A =...
asked 34 minutes ago