Internal validity refers to A. proper measurement of study variables B. the degree to which the...
Internal validity refers to
A. proper measurement of study variables
B. the degree to which the study results apply correctly to the general population
C. the selection of study subjects
D. Both A and C
Homework Answers
Internal validity refers to the proper measurement of study variables . It is only relevant to the study being undertaken. On the other hand, external validity is about study results applied to general population.
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Internal validity refers to
A. proper measurement of study variables
B. the degree to which the...
Control of the internal validity 1: The placebo effect of the internal validity can be cured...
Control of the internal validity 1: The placebo effect of the internal validity can be cured by random assignment subject to both experimental and control placebo groups(Shader, 2017). 2: History threat can be removed by assigning random subjects to both control and experimental groups. 3: Maturation the third threat to validity can be handled with the help of the control groups of subjects which can change those in experimental groups. Assigning of random subjects can also be used. 4: Repeat...
Solely from a measurement theory perspective, a good measure should have: 6. Objectivity Reliability Validity b....
Solely from a measurement theory perspective, a good measure should have: 6. Objectivity Reliability Validity b. C d All of the above Some of the above but not all e. validity refers to validity that is concerned with generalization of the study to the larger population whereas 7, validity refers to validity associated with quantification of the dependent variables. External, Measurement a Convergent, Predictive Construct, external C d Predictive, convergent 8. Operationalization in research most often involves: Using a dictionary...
For a between-subjects experiment, the primary threat to internal validity is... a. Holding variables constant. b....
For a between-subjects experiment, the primary threat to internal validity is... a. Holding variables constant. b. Restricting a variables' range. c. It requires extensive efforts to counterbalance conditions. d. The groups may be different from each other on key characteristics.
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...
16)Define internal validity: a. The extent to which we can draw causal conclusions about a study...
16)Define internal validity: a. The extent to which we can draw causal conclusions about a study such as random and systematic error, confounding, and selection bias b. Exchangeability or how comparable the study group is to otherand explains generalizability or transportability 17. Define external validity: a. The extent to which we can draw causal conclusions about a study such as random and systematic error, confounding, and selection bias b. Exchangeability or how comparable the study group is to otherand explains...
4 What of the following would increase random measurement error? a. Using a sphygmomanometer that falls to 1mm Hg w...
4 What of the following would increase random measurement error? a. Using a sphygmomanometer that falls to 1mm Hg when the cuff is released b. Chatting with a colleague while collecting data C. Entering data for 8 hours having had only 2 hours sleep. d. A and B e B and C 22. Instrument validity refers to the extent to which a. an instrument measures what it was intended to measure b. an instrument measures the phenomena consistently c. extraneous...
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...
. The process of defining measurement procedures for the variables used in a study is: A)...
. The process of defining measurement procedures for the variables used in a study is: A) operationalization. B) dose-response assessment. C) causal modeling. D) hypothesis formulation
1) Which of the following must be found in order to observe an effect of the...
1) Which of the following must be found in order to observe an effect of the independent variable in an experiment ? A. high between group variance B. High error variance C. high standards deviations D. high group means 2) what kind of validity is threatened when we cannot generalized the results of the study? A. construct validity B. External validity C. Internal validity D. Statistical validity 3) which cofounding variable is most likely to occur when participants are selected...
validity of a test Validity of Test , HELP study table then answer a, b, c,...
validity of a test
Validity of Test , HELP study table then answer a, b, c, and d pleaseeee!! 3) Study the table below and answer the questions. Disease / condition Test results Present Absent Positive 132 983 Negative 45 63 650 a) What do we call the value 132? b) O/hat do we call the value 63650? c) What is the sensitivity of the test used to detect signs of the disease / condition? d) What is the specificity...
Solely from a measurement theory perspective, a good measure should have: 6. Objectivity Reliability Validity b. C d All of the above Some of the above but not all e. validity refers to validity that is concerned with generalization of the study to the larger population whereas 7, validity refers to validity associated with quantification of the dependent variables. External, Measurement a Convergent, Predictive Construct, external C d Predictive, convergent 8. Operationalization in research most often involves: Using a dictionary...
For a between-subjects experiment, the primary threat to internal validity is... a. Holding variables constant. b. Restricting a variables' range. c. It requires extensive efforts to counterbalance conditions. d. The groups may be different from each other on key characteristics.
4 What of the following would increase random measurement error? a. Using a sphygmomanometer that falls to 1mm Hg when the cuff is released b. Chatting with a colleague while collecting data C. Entering data for 8 hours having had only 2 hours sleep. d. A and B e B and C 22. Instrument validity refers to the extent to which a. an instrument measures what it was intended to measure b. an instrument measures the phenomena consistently c. extraneous...
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...
validity of a test
Validity of Test , HELP study table then answer a, b, c, and d pleaseeee!! 3) Study the table below and answer the questions. Disease / condition Test results Present Absent Positive 132 983 Negative 45 63 650 a) What do we call the value 132? b) O/hat do we call the value 63650? c) What is the sensitivity of the test used to detect signs of the disease / condition? d) What is the specificity...
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