Best answer

Validity will tell you how good a test is for a particular situation; reliability will tell you how trustworthy a score on that test will be. You cannot draw valid conclusions from a test score unless you are sure that the test is reliable. Even when a test is reliable, it may not be valid.

Answered by: JoshBerke Date created: May 16, 2022

What are the factors that affect capacity decision?

Asked By: tim_xyz Date created: May 09, 2022

Equipment Requirements. When machinery is used for processes and fabrication, the speed and throughput of the equipment are limiting factors for production capacity. Equipment reliability impacts capacity, as does the effectiveness of your maintenance department.

Answered By: Ben Fortune Date created: May 10, 2022

What are the factors that affect reliability?

Asked By: Gaurav Mantri Date created: May 01, 2022

The reliability of the measures are affected by the length of the scale, definition of the items, homogeneity of the groups, duration of the scale, objectivity in scoring, the conditions of measuring, the explanation of the scale, the characteristics of the items in scale, difficulty of scale, and reliability ...

Answered By: Michael Delgado Date created: May 02, 2022

Does ECU tuning affect reliability?

Asked By: StarshipladDev Date created: May 01, 2022

Reliability may get affected: A remapped ECU pushes the engine to produce more power.

It may affect the long term reliability of the engine and other components as these are running under great stress to produce that extra amount of power..

Answered By: mason Date created: May 02, 2022

Does tuning a car affect reliability?

Asked By: N Sharma Date created: May 02, 2022

Overall, the quality of the tune will play a role in reliability, so if you get a custom tune for your engine and other mods, you will probably get more long-term longevity. You need to assume a drop in reliability, even if it doesn't happen.

Answered By: Arnaud Le Blanc Date created: May 05, 2022

What major factors affect the quality of service of a multimedia application?

Asked By: KayV Date created: May 01, 2022

Human factors include: stability of service, availability of service, delays, user information. Technical factors include: reliability, scalability, effectiveness, maintainability, Grade of Service.

Answered By: Cepr0 Date created: May 02, 2022

Does creatine affect testosterone?

Asked By: kukkuz Date created: May 13, 2022

Creatine does not increase testosterone levels. While creatine does elevate DHT (Dihydrotestosterone) and growth hormone (GH) during physical activity, creatine does not improve resting hormonal concentration.

Answered By: hd1 Date created: May 15, 2022

How does transportation affect climate change?

Asked By: Alireza Fattahi Date created: May 16, 2022

Climate change is likely to damage transportation infrastructure through higher temperatures, more severe storms and flooding, and higher storm surges, affecting the reliability and capacity of transportation systems. ... Climate change impacts will likely increase the cost of the nation's transportation systems.

Answered By: Wytrzymały Wiktor Date created: May 17, 2022

Does a cam affect reliability?

Asked By: Gazler Date created: May 04, 2022

Both rpm limit, and power per litre, have a big impact on reliability. Cams with more than . 550+ valve lift also affect valvetrain reliability.

Answered By: csalmhof Date created: May 05, 2022

How does growth on the unopened plates affect your interpretation of the other plates?

Asked By: davidcondrey Date created: May 03, 2022

How does growth on the unopened plates affect the reliability (your interpretation) of the other plates? Contamination when agar was plated could cause contamination in all or just one plate. Growth on unopened plates means the other plates could also be contaminated and the results are not sound.

Answered By: vitaut Date created: May 03, 2022

What 4 factors affect the reliability of eyewitnesses?

Asked By: Peter Date created: May 07, 2022

Four factors that affect eyewitness reliability in VirginiaMemory mechanics. Though we would like to believe that our memories are generally reliable and that we can accurately recall the details of what we observe, the truth is that our memories are often affected by the way we make sense of the world. ... Stress. ... The presence of a weapon. ... Appearances.

Answered By: Joran Beasley Date created: May 10, 2022

Related Question Answers

mythz

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What factors affect internal validity?

Here are some factors which affect internal validity:Subject variability.Size of subject population.Time given for the data collection or experimental treatment.History.Attrition.Maturation.Instrument/task sensitivity.

David Schwartz

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How does reliability affect validity?

They indicate how well a method, technique or test measures something. Reliability is about the consistency of a measure, and validity is about the accuracy of a measure. ... A reliable measurement is not always valid: the results might be reproducible, but they're not necessarily correct.

eduardokapp

Professor

How does sample size affect reliability?

If your effect size is small then you will need a large sample size in order to detect the difference otherwise the effect will be masked by the randomness in your samples.

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So, larger sample sizes give more reliable results with greater precision and power, but they also cost more time and money..

Bhishan Poudel

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How does demand characteristics affect validity?

Demand characteristics are a issue, as the participants may behave in a way to support the hypothesis, making the results less valid. Conversely, the participant may deliberately try to disrupt the results, a phenomenon known as the 'screw-you' effect.

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What are the factors that affect software quality?

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The Impaler

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Why do demand characteristics affect validity?

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Can bias affect validity?

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Bias cannot be minimised by increasing the sample size.

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Do demand characteristics affect internal validity?

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How do demand characteristics affect validity?

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Conversely, the participant may deliberately try to disrupt the results, a phenomenon known as the 'screw-you' effect..

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What is bias and how can it affect the validity of a source?

Any such trend or deviation from the truth in data collection, analysis, interpretation and publication is called bias. Bias in research can occur either intentionally or unintentionally. Bias causes false conclusions and is potentially misleading. Therefore, it is immoral and unethical to conduct biased research.

DIGI Byte

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How much do online reviews affect sales?

On average, reviews produce an 18% uplift in sales. Displaying reviews on your website gives potential customers more confidence in their purchasing decisions and reduces doubts, leading to a higher conversion rate. It can also help strengthen your brand's credibility and reliability.

cantdutchthis

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Will changing processor affect Windows?

Changing the processor (CPU) will not affect the validity of the license, but changing the motherboard will. When I upgrade a preinstalled (OEM) or retail version of Windows 7 or Windows 8/8.1 license to Windows 10, does that license remain OEM or become a retail license?

eftshift0

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Does bias affect validity or reliability?

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How cognitive biases affect decision making?

Cognitive biases can affect your decision-making skills, limit your problem-solving abilities, hamper your career success, damage the reliability of your memories, challenge your ability to respond in crisis situations, increase anxiety and depression, and impair your relationships..

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How does a small sample size affect reliability?

A small sample size also affects the reliability of a survey's results because it leads to a higher variability, which may lead to bias. The most common case of bias is a result of non-response. ... These people will not be included in the survey, and the survey's accuracy will suffer from non-response.

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Does rain affect Bluetooth?

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What factors affect reliability?

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SultanOrazbayev

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Can breastfeeding affect pregnancy test?

Many mothers wonder whether breastfeeding will affect the reliability of pregnancy tests. It does not — pregnancy tests measure the amount of the hormone hCG (human chorionic gonadotropin) in blood or urine, and hCG levels are not affected by breastfeeding.

Michael Berry

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How does reliability affect availability?

As you can see from the table, if the reliability is held constant, even at a high value, this does not directly imply a high availability. As the time to repair increases, the availability decreases. Even a system with a low reliability could have a high availability if the time to repair is short.

Sachin Joseph

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Does academic probation affect financial aid?

Academic Probation may impact a student's eligibility to receive financial aid. Though a rare occurrence, both policies are equal in their weight and validity and neither supersedes the other.

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Does selection bias affect internal validity?

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leftjoin

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How does inflation affect employment?

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Incorporating such behavior into economic models would increase their reliability..

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What are the factors that can affect the reliability of the news?

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Bart van Heukelom

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What is an example of affect in a sentence?

Poverty can affect anyone, regardless of age, race, gender or social background. The decision will not affect the validity of the remaining contract provisions. She was in shock after the attack, and it showed in the flat affect on her face. They might not have gone had he known how the country would affect her.

Aaron Maenpaa

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Does a leveling kit affect the ride of your truck?

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Reza Aghaei

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Does a truck leveling kit affect ride quality?

But you likely don't want to significantly alter the smooth factory ride of your daily-driver or decrease its handling, performance, and reliability. A leveling kit is perfect if this sounds like you. ... When coupled with high-quality aftermarket shocks, a leveling kit can increase on- and off-road handling too.

Christopher Currens

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Do extraneous variables affect validity?

Any variable that you are not intentionally studying in your dissertation is an extraneous variable that could threaten the internal validity of your results [see the article: Internal validity].

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This threatens the internal validity of your results..

The Impaler

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Does bias affect internal or external validity?

Bias can affect both the internal validity and the external validity of a study.

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A study that has major methodologic issues, however, lacks internal validity, and we probably should not accept the results.

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Brian

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Does selection bias affect external validity?

A distinction of sampling bias (albeit not a universally accepted one) is that it undermines the external validity of a test (the ability of its results to be generalized to the rest of the population), while selection bias mainly addresses internal validity for differences or similarities found in the sample at hand.

Lauritz V. Thaulow

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Does bias affect reliability or validity?

In order for assessments to be sound, they must be free of bias and distortion. Reliability and validity are two concepts that are important for defining and measuring bias and distortion. Reliability refers to the extent to which assessments are consistent.

Mouna Cheikhna

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How does attrition affect internal validity?

Selective attrition affects the internal validity of experimental research when there are differ- ential dropout rates between the treatment and control groups. ... However, if the dropout rates are comparable, the threats to inter- nal validity due to attrition are minimal.

Louise Davies

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How does global economy affect business?

Global Forces Affect Businesses They're affecting your business! Raw material availability, supply chain reliability, labor supply, wages, worker expectations, government regulations and consumer demand are all influenced by global factors at work.

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Does diclofenac affect blood pressure?

Diclofenac does not increase the risk of hypertension, but does increase the risk of stroke. Naproxen (Naprosyn) does not increase the risk of hypertension or stroke. Celecoxib (Celebrex) does not increase the risk of hypertension or stroke.

Suragch

Guest

How does test length affect reliability?

Reliability has a definite relation with the length of the test. The more the number of items the test contains, the greater will be its reliability and vice-versa. Logically, the more sample of items we take of a given area of knowledge, skill and the like, the more reliable the test will be.

DaveShaw

Guest

How does history affect internal validity?

To affect the outcome of an experiment in a way that threatens its internal validity, a history effect must (a) change the scores on the independent and dependent variables, and (b) change the scores of one group more than another (e.g., increase the scores of the treatment group compared with the control group or a ...

carl

Guest

Does sample size affect validity?

The answer to this is that an appropriate sample size is required for validity.

If the sample size it too small, it will not yield valid results.

An appropriate sample size can produce accuracy of results.

...

A sample size that is too large will result in wasting money and time..

Aconcagua

Guest

Does common law marriage affect Social Security?

Social Security considers some common-law marriages valid if they are recognized under state law. ... Social Security will not make a determination on the validity of your common-law marriage unless and until you potentially qualify for benefits on your ex's record.

Lev Levitsky

Guest

How does transportation affect the price of goods?

Much like labor and capital, transportation costs affect directly the price of goods and services and the profits of producers. Consequently, investments that reduce the cost of moving goods to and from markets (via improvements in reliability, transit times, service levels, etc.)

James Lin

Guest

How does bias affect validity?

The internal validity, i.e. the characteristic of a clinical study to produce valid results, can be affected by random and systematic (bias) errors. ... Bias cannot be minimised by increasing the sample size. Most violations of internal validity can be attributed to selection bias, information bias or confounding.

Mikko Ohtamaa

Guest

What is duress and how does it affect the validity of a contract?

Duress is a means by which a person or party can be released from a contract, where that person or party has been forced or coerced into the contract. If this coercion can be shown to be true then the contract entered into cannot not be considered a valid agreement. ... The court therefore allowed B to avoid the contract.

Paul Fultz II

Guest

What are the most common issues that affect network performance and reliability?

4 Common Network Performance Issues (And How to Fix Them)Excessive bandwidth usage. Managing your enterprise's bandwidth usage is a fundamental aspect of network performance management, since every business-critical user, application, and service has enough bandwidth to run efficiently. ... Disabled or malfunctioning devices. ... Poor network hardware configuration. ... Shadow IT.

Vlad Mihalcea

Guest

How does misrepresentation affect the validity of a contract?

A misrepresentation is a false statement of a material fact made by one party which affects the other party's decision in agreeing to a contract. If the misrepresentation is discovered, the contract can be declared void and depending on the situation, the adversely impacted party may seek damages.

Martin Thoma

Guest

Does not affect the validity of the contract?

An erroneous opinion as the value of the thing, which forms the subject matter of the agreement, is not deemed as mistake as to a matter of fact. Unilateral mistake, i.e. the mistake in the mind of only one party does not affect the validity of the contract.

andilabs

Guest

What factors affect external validity?

Here are seven important factors affect external validity:Population characteristics (subjects)Interaction of subject selection and research.Descriptive explicitness of the independent variable.The effect of the research environment.Researcher or experimenter effects.The effect of time.