Exam 1 Review Flashcards

1
Q

Treatment effectiveness is demonstrated when there is clinical improvement from the treatment in the…

A

real world context

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2
Q

Research that compares 2 or more conditions to determine a cause and relationship and allows the researcher to draw conclusions about observed differences

A

experimental research

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3
Q

What is experimental research?

A

Research that compares 2 or more conditions to determine a cause and relationship and allows the researcher to draw conclusions about observed differences

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4
Q

In you have a highly homogenous distribution of participant scores, you will likely have…

A

small standard deviation

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5
Q

If you have a ___ distribution of participant scores, you will likely have a small standard deviation.

A

highly homogenous

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6
Q

An OT is attempting to determine the treatment efficacy for a previously developed method of intervention for spastic dysarthria. In order to determine an accurate measure of treatment efficacy, he should research…

A

Meta-analyses and systematic reviews that synthesize the results of multiple RCTs or experiments are considered to be the highest form of evidence

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7
Q

___ occurs if a first treatment condition affected participant performance on a second treatment condition.

A

carryover effect

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8
Q

What is carryover effect?

A

occurs if a first treatment condition affected participant performance on a second treatment condition

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9
Q

What occurs if a research participant’s performance in a study was influenced by their awareness of being in a research study?

A

Hawthorne effect

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10
Q

What is the Hawthorne effect?

A

occurs if a research participant’s performance in a study was influenced by their awareness of being in a research study

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11
Q

What is a potential change in data that occurs sometime from the beginning to the end of an experiment. These changes can arise due to factors such as participant fatigue or familiarity with assessment and/or intervention materials?

A

order effect

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12
Q

What is an order effect?

A

a potential change in data that occurs sometime from the beginning to the end of an experiment. These changes can arise due to factors such as participant fatigue or familiarity with assessment and/or intervention materials

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13
Q

What are clinical decisions based on research evidence, clinical expertise, patient values and preferences, and clinical circumstances?

A

EBP

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14
Q

What is EBP?

A

clinical decision based on research evidence, clinical expertise, patient values and preferences, and clinical circumstances

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15
Q

What section of a research paper should include a study design, criteria for selecting participants, how she selected her participants, description and number of participants, measurement techniques, data collection techniques, and data analysis procedures

A

methods

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16
Q

What should the methods section of a research paper include?

A

a study design, criteria for selecting participants, how she selected her participants, description and number of participants, measurement techniques, data collection techniques, and data analysis procedures

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17
Q

What section of a research paper should include a narrative description of statistical outcomes, tables and figures that summarize findings, and statements that support or reject the hypothesis?

A

results

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18
Q

What should the results section of the research paper include?

A

a narrative description of statistical outcomes, tables and figures that summarize findings, and statements that support or reject the hypothesis

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19
Q

To establish a measure as having good reliability it should include…

A

High reliability coefficient and a low standard of error

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20
Q

If a researcher is analyzing data collected during his research study and has found that p<0.05, he may decide to…

A

reject the null hypothesis

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21
Q

Refers to how well a test detects a condition that is actually present

A

test sensitivity

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22
Q

Test sensitivity refers to how well a test detects a condition that is…

A

actually present

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23
Q

In parametric statistical procedures there is a ___ of data

A

normal distribution

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24
Q

In ___ there is a normal distribution of data

A

parametric statistical procedures

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25
Q

Any factor that is NOT directly related to the purpose of the study, but may affect the dependent variable. When these factors are not controlled, they exert a confounding influence on the independent variable, that is they contaminate the independent variable in such a way that their separate effects are obscured.

A

Extraneous Variable/Confounding factor

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26
Q

What is an extraneous variable/confounding factor?

A

Any factor that is NOT directly related to the purpose of the study, but may affect the dependent variable. When these factors are not controlled, they exert a confounding influence on the independent variable, that is they contaminate the independent variable in such a way that their separate effects are obscured.

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27
Q

In a study with adhesive capsulitis, a patient was taking medications and did not disclose this information. This is an example of…

A

Extraneous Variable/Confounding factor

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28
Q

What is an ANOVA?

A

analysis of variance statistical procedure appropriate for comparison of three or more treatment groups or conditions, or the simultaneous manipulation of 2 or more independent variables

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29
Q

Analysis of variance statistical procedure appropriate for comparison of ___ treatment groups or conditions, or the simultaneous manipulation of 2 or more independent variables

A

three or more

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30
Q

___ is the best measure to use when utilizing simultaneous comparison of several means.

A

ANOVA

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31
Q

ANOVA is the best measure to use when utilizing ___.

A

simultaneous comparison of several means

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32
Q

What is construct validity?

A

refers to how well the measure reflects a theoretical construct of the characteristic of interest

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33
Q

Refers to how well the measure reflects a theoretical construct of the characteristic of interest

A

construct validity

34
Q

What does PICO stand for?

A

Population, Intervention, Comparison, Outcome

35
Q

What is a type II error?

A

when the researcher reports that no relationship (or improvement/progress) exists between the intervention and the outcome, when there really was a relationship or improvement

36
Q

Error that occurs when the researcher reports that no relationship (or improvement/progress) exists between the intervention and the outcome, when there really was a relationship or improvement

A

Type II

37
Q

What is content validity?

A

refers to how well the test items measure the characteristics or behaviors of interest

38
Q

Refers to how well the test items measure the characteristics or behaviors of interest

A

content validity

39
Q

What is an independent variable?

A

A variable that will predict or cause an outcome. A condition, intervention, or characteristic that will predict or cause a given outcome. The IV can be described as a condition that can change behavior

40
Q

A variable that will predict or cause an outcome. A condition, intervention, or characteristic that will predict or cause a given outcome. The IV can be described as a condition that can change behavior

A

Independent variable

41
Q

What is a dependent variable?

A

the response or outcome related to the effect of the IV. The dependent variable can be described as the behavior that may change.

42
Q

The response or outcome related to the effect of the IV. The dependent variable can be described as the behavior that may change

A

dependent variable

43
Q

What is content bias?

A

refers to test stimuli, methods, or procedures reflecting the assumptions that all populations have the same life experiences and have learned similar concepts and vocabulary.

44
Q

Refers to test stimuli, methods, or procedures reflecting the assumptions that all populations have the same life experiences and have learned similar concepts and vocabulary.

A

content bias

45
Q

What is a t test?

A

a parametric test for comparing 2 means (for example this test is used when there is a single dependent variable, but a comparison between groups)

46
Q

A parametric test for comparing 2 means (for example this test is used when there is a single dependent variable, but a comparison between groups)

A

t-test

47
Q

What is the best means of analysis to use when you have a study of a new treatment technique, but have 2 groups – one participating for 30 minutes a day and one group participating for 60 minutes a day?

A

t-test

48
Q

What is CITI?

A

The Collaborative Institutional Training Initiative and is dedicated to promoting the public’s trust in the research enterprise.

49
Q

What are the 3 categories of quantitative research?

A

Experimental
Descriptive
Mixed Experimental-Descriptive research

50
Q

What is a standard deviation?

A

the average amount that all scores in the distribution deviate from the mean. A small standard deviation indicates more homogeneity

51
Q

Standard deviation is the average amount that all scores in the distribution deviate from the mean. A small standard deviation indicates…

A

more homogeneity

52
Q

In ___ there is a normal distribution of data

A

parametric statistical procedures

53
Q

In ___ there is not a normal distribution of data

A

nonparametric statistical procedures

54
Q

Are parametric or nonparametric statistics more powerful?

A

parametric

55
Q

If the value is p<.05, that means the probability of that finding being true is __ and the probability of the finding being false is __.

A

95%, 5%.

56
Q

A ___ is considered to be the “gold standard” of true experimental designs. This type of design is considered the most rigorous

A

randomized control trial

57
Q

A randomized control trial is considered to be the “gold standard” of true experimental designs. This type of design is considered the…

A

most rigorous

58
Q

What type of variable can be manipulated?

A

independent variable

59
Q

___ is a perspective to explore and understand human behavior.

A

qualitative research

60
Q

What are the 3 measures of central tendency?

A

Mean
Median
Mode

61
Q

What are the 4 scales of measurement?

A

Ratio
Ordinal
Nominal
Interval

62
Q

What are the main sections of a research article?

A

Abstract
Introduction
Methods
Results
Discussion
References

63
Q

Section of a research paper that should include a narrative description of statistical outcomes, tables and figures that summarize statistical findings, and statements that support or reject the hypothesis

A

results

64
Q

The results section of a research paper should include…

A

a narrative description of statistical outcomes, tables and figures that summarize statistical findings, and statements that support or reject the hypothesis

65
Q

What variable is the response or outcome related to the effect of the independent variable?

A

dependent variable

66
Q

p<.05 means the null hypothesis is…

A

rejected

67
Q

A parametric test for comparing two means is a…

A

t-test

68
Q

A ___ for comparing two means is a t-test

A

parametric test

69
Q

The ___ is a statement of the expected relationship between variables

A

hypothesis

70
Q

Wha is a hypothesis?

A

a statement of the expected relationship between variables

71
Q

The outcome measure is a ___ used to test and see if the dependent variable was affected or changed by the independent variable

A

tool, assessment, or instrument

72
Q

The ___ is a tool, assessment, or instrument used to test and see if the dependent variable was affected or changed by the independent variable

A

outcome measure

73
Q

How consistent one researcher is when making the same measurement more than once

A

Intra-rater agreement

74
Q

Give an example of a systematic error?

A

equipment needing to be calibrated

75
Q

Give an example of a unsystematic error?

A

equipment malfunction

76
Q

A disparity between the language or dialect used by the examiner, the child, and/or the language or dialect expected in the child’s response.

A

linguistic bias

77
Q

Refers to how well the measure reflects a theoretical construct of the characteristic of interest

A

construct validity

78
Q

Type of error when the researcher reports a relationship between the intervention and the outcome (or progress) when no relationship (or progress) really exists.

A

type I

79
Q

Refers to how well the measure correlates with an outside criterion
The ability of an assessment to produce results that are in agreement with or predict a known criterion assessment

A

criterion validity

80
Q

A statistical procedure used to compare 2 or more treatment groups while controlling for the effect of 1 or more confounding variables (called covariates).

A

ANCOVA - analysis of covariance

81
Q

Effect size estimates can help the OT to understand the practical significance of data in a research study. Rather than reflecting whether the null hypothesis is false…

A

the effect size estimates the degree to which it is false.