Martina believes that high doses of caffeine slow a person's reaction time. To test this belief, she has five friends each drink three 8-ounce cups of coffee and then measures their reaction time on a learning task. What is wrong with Martina's research strategy?

Answers

Answer 1

Answer: Absence of control condition

Explanation:

Control condition is the condition that helps in reducing the changes that can occur in variables in an experiment apart from the variables undergoing the experiment.It is considered as the independent factor in experiment as it will not depend on other factors while getting altered and change.

According to the question, Martina's experimentation lacks the presence of control condition which will not produce actual results. She is measuring reaction time of her friends in experiment without stabilizing control condition that is not considering level or state of friends even after providing same amount of coffee.


Related Questions

The statement, "Formal and informal education serve certain crucial purposes in society, especially as societies modernize," most closely reflects ______.
a. symbolic interaction theory
b. conflict theory
c. structural-functional theory
d. rational choice theory

Answers

Answer:

c. structural-functional theory

Explanation:

This theory views society from the macro point of view. Here it is assumed that society is an organism with different parts working together to keep stability and achieve progress. Structural functionalism looks at social structure and function of a complex society hence the name"structural functionalism"

From this, we can easily relate with statement in the above statement assuming that formal education plays it's role while informal education plays a different important role.

What finding is consistent with a rupture of the fibrous atherosclerotic plaque that has led to platelet aggregation and thrombus formation?

Answers

Answer:

ST elevation in two leads on a 12-lead ECG. Once this is noticed then the above can be concluded

Bacon's Rebellion was supported mainly by A) young men frustrated by their inability to acquire land. B) the planter class of Virginia. C) those protesting the increased importation of African slaves. D) people from Jamestown only. E) the local Indians.

Answers

Answer:

A) young men frustrated by their inability to acquire land.

Explanation:

The Bacon Rebellion was organized by Nathaniel Bacon in 1676. The reason was the demands of that wealthy landowner, whose properties were settled in the border area. This claim towards the local authorities extended to the denunciation of unfair tax policy, the discretionary distribution of public charges and the lack of protection to the farmers of the indigenous threat.

Final answer:

Bacon's Rebellion was supported mainly by young men frustrated by their inability to acquire land. A significant portion of these individuals were indentured servants and small farmers discontented with the lack of available land and the colonial government's failures.

Explanation:

Bacon's Rebellion, which took place in 1676 in colonial Virginia, was supported mainly by young men frustrated by their inability to acquire land. These individuals, largely made up of indentured servants and small farmers, were becoming increasingly disgruntled about the lack of available land, rising taxes, and the colonial government's inability to protect them from Native American attacks. So, the answer is A) young men frustrated by their inability to acquire land.

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Dr. Neben is investigating the relationship between educational level and sexual satisfaction in women. If Dr. Neben discovers that as education increases, sexual satisfaction decreases, this is evidence of a ___________.

Answers

Answer:

Negative Correlation

Explanation:

Dr. Neben is investigating the relationship between educational level and sexual satisfaction in women. If Dr. Neben discovers that as education increases, sexual satisfaction decreases, this is evidence of a negative correlation.

Which of the following best explains why the conclusions drawn from a case study cannot necessarily be applied to the general population?

Answers

Answer:The subject has a unique genetic makeup and set of experiences.

Explanation: The subjects were a sample of the entire population,the population contains a more unique set of persons,the subjects used for case studies are usually taken out of the population,which may not be a true representation of the entire population.

Population is totality of people present in a given environment,the individuals present within a population are unique and have their own unique qualities and attribute.

When we use terms such as culture, gender, and the workplace, we are talking about:__________
a) types of communication
b) models of communication
c) contexts of communication
d) principles of communication

Answers

Answer:

contexts of communication

Explanation: because when we are considering context of communication we are referring to group public and mass communication.

A classmate informs you that, while conducting a naturalistic observation study of children's play behavior, she had to ask the children to limit their play activity to only one area in the playground in order to make more accurate observations. Being familiar with observational methods, you should tell her that her study did not involve naturalistic observation because:

Answers

Answer:

You should tell her that her study didn't involve naturalistic observation because the play behavior was not conducted naturally.

Explanation:

To understand this answer we most recall the concept of naturalistic observation. It is a technique employed by psychologists and social sciences researchers to watch and by watch, I do not mean see I mean watch, which envolves also hearing and analyzing. That helps them capture the nature of a certain group's behavior in their natural environment. Thus, that student's observation wasn't naturally done. Because she controlled the children she was observing and that is why our answer is correct.

a. several major newspapers have closed or moved to Web-only publication
b. newspapers have become more profitable than ever
c. the major national newspapers have suffered bigger circulation losses than the metropolitan newspapers have
d. several cities have launched successful new newspapers

Answers

Answer:

a.

Explanation:

The question for this set of available responses is : "Over the last decade, _______". In regards to this question and the answers provided we can say that several major newspapers have closed or moved to Web-only publication. This occurred mainly due to the reason that individuals no longer cared for reading the newspaper since they could read the latest news and even customize the type of news they wanted to receive, all online through the internet.

If a material has a half-life of 24 hours, how long do you have to wait until the amount of radioisotope is 1/4 its original amount?1. 48 hours2. 24 hours3. 72 hours4. 12 hours5. practically forever, but it may be safe by then

Answers

Answer:

48 hrs

Explanation:

If the original mass was x g

Then after 24 hours the mass remaining will be x / 2

After another 24 hours the mass remaining will be x/4 which is 1/4 of its original mass

Other factors being equal, decisions of which of the following Circuit Courts should be given additional weight when evaluating sources?
a. the Second and Ninth Circuits.
b. the Sixth and Ninth Circuits.
c. the Federal and First Circuits.
d. All the above courts have equal weight.

Answers

Answer:

I think its D

What ingredient was originally used to bleach flour at the time that Harvey W. Wiley, head of the FDA successfully, got the practice of bleaching flour banned in the US for a short time?

Answers

Chlorine gas , Chlorine dioxide , Nitrogen dioxide , Calcium, benzoyl peroxides  and Azodicarbonamide are the ingredients that were used to bleach flour in the US for a short time.

Explanation:

Harvey W. Wiley, head of the FDA struggled against benzoic acid, saccharin, sulfites and bleached flour. He prevented the bleaching of flour and got the practice of bleaching flour banned in the US for a short time.

Flour bleaching is a chemical treatment that are added directly to the freshly-milled flour to produce whiter and finer-grain flour.

These bleaching agents are poisonous, powerful irritant and dangerous to inhale. Alloxan causes diabetes and creates greater risk to the public.

According to psychologists Arnold Lazarus and Susan Folkman, the secondar appraisal stage of dealing with stress is focused on ____.

A. identifying the specific nature of the potential threat.
B. assessing whether one can cope with the challenge
C. marshaling resources and social supports to face the threat.
D. evaluating the implications of the threat

Answers

Answer:

B. assessing whether one can cope with the challenge                                        

Explanation:

Arnold Lazarus has mentioned two different forms of appraisal including primary and secondary appraisals.

Secondary appraisal: In psychology, the term secondary appraisal is defined as the phenomenon in which an individual's ability is being evaluated and different resources to cope with or manage a particular situation. It generally interacts with the primary appraisal to describe an individual's emotional reaction towards a particular situation.

Hayden found out that he is HIV seropositive during his last general checkup. However, Hayden has not experienced any of the symptoms that indicate the onset of AIDS. Which of the following is most likely to lead to the onset of the disease in Hayden?

Answers

Answer: Hansen's disease (also known as leprosy) is a rare bacterial infection that affects the skin, nerves and mucous membranes

Explanation:

A party that has lost at appeal may file which of the following to argue why a case should be heard by a Supreme Court. A. a writ of mandamus. B. a writ of habeas corpus. C. a writ of quo warranto. D. a writ of scire facias. E. a writ of certiorari .

Answers

Answer: Option D

Explanation:

A writ of certiorari is a legal document mostly written by a losing side / party over a case they have lost. It is written to the appealed court to tend the case to the supreme court for further hearing. The reason why this kind of document is written it for more information to be known about the case. The word certiorari comes from a Latin word meaning " to be informed fully" about a case.

Six-month-old John often reacts negatively and cries frequently. He also is not very adaptive. According to Chess and Thomas' classification system, he is most likely a(n)___________ child.

Answers

Answer:

difficult child

Explanation:

difficult child are those child which mostly behave different from normal norms and standard behavior of child like mostly they are stubborn, clingy, loud and aggressive. Sometimes they behave awkward, confuse and puzzle in public place and even with teachers and parents.  

Final answer:

Six-month-old John, who often reacts negatively and cries frequently, would be categorized as a 'Difficult Child' according to Chess and Thomas' classification system, due to his negative reactions, difficulty adapting, and frequent crying.

Explanation:

According to Chess and Thomas' classification system, six-month-old John, who often reacts negatively, cries frequently and is not very adaptive, would most likely be classified as a Difficult Child. This classification is based on Chess and Thomas' research which identified three primary temperament types in children: the Easy Child, the Difficult Child, and the Slow-to-Warm-Up Child. A Difficult Child is known to react negatively to new situations, has trouble adapting to routine, is usually negative in mood, and cries frequently. This contrasts with the Easy Child, who adapts quickly and maintains a positive mood, and the Slow-to-Warm-Up Child, who adjusts slowly and has a low activity level.

Five-year-old Byron is Christmas shopping with his mother and siblings. When he looks around and realizes his mother is nowhere to be found, Byron's _____ nervous system activates the fight-or-flight response.

Answers

Answer: Sympathetic

Explanation:

Sympathetic nervous system is the part of autonomic nervous system that prompt the fight or flight response in any stressful condition faced by a person. In any such condition body is prepared for responding to the condition with energy rather than managing the stress.

According to the question, fight-or flight response that is getting produced in stressful situation where he cannot find his mother in market due to sympathetic nervous system.

The tendency to recognize one positive or negative quality or trait about a person, then associate that quality or trait with everything about that person.

Answers

Answer: Halo effect

Explanation:

Halo effect  is defined as the effect that is based on cognition process for impacting other people to think about you r charterer. This influence invokes other people to give their thoughts about personality and impression of a person.Evaluation and conclusion is made by the person calculating the traits of personality.

Characters and behavior can produce positive or negative impression on the person judging the other person. Opinion of one person about other depends to quality of the impression.

If individual ethical relativism is true, the other person's moral view of ethical issues cannot be better than mine in an objective sense, because:__________ a. there is an objectively better position, absolutely, and for all times. To say otherwise is arrogant. b. ethics is subjective, and therefore knowing "good" is like recognizing yellow when you see it. c. no one knows what is true, according to both the moral skeptic and the relativists. d. everyone's view is equally valid, even those of people with distorted, murderous, or psychotic opinions

Answers

Answer:

The correct answer is:

d. everyone's view is equally valid, even those of people with distorted, murderous, or psychotic opinions

Explanation:

In this case, the correct answer would be to consider everyone's point of view as valid, since the individual ethical relativism may vary according to different factors of appreciation or opinion about a topic.

The individual ethical relativism will depend on the point of view of the person who is analyzing a certain situation or fact. In order to determine whether a concept is good or bad, it is primordial for the individual to take into account the socio-cultural background to which he has been exposed in the past, as well as some other important factors that will also have an impact on his appreciations of the world such as the religious conceptions, the morality, the imposed values among some others.

Non-U.S. corporations and individuals cannot be sued in U.S. courts if they conduct business or commit tortious acts in the United States. True or false?

Answers

Answer:

False

Explanation:

According to the United States law, a non-US corporation and individuals can be sued in a US court provided that the business is operating on the US soil.

When Jeanette's parents find out her twin brother, Rex, has been sexually active, they tell him to use protection. When they find out Jeanette has been sexually active, they ground her for a month. This is an example of _____. a) gender identity b) homophobia c) a misunderstanding d) a double standard

Answers

Answer:

d) a double standard

Explanation:

When Jeanette's parents find out her twin brother, Rex, has been sexually active, they tell him to use protection. When they find out Jeanette has been sexually active, they ground her for a month. This is an example of a double standard.

A double standard is the baised application of a rule to different class of people. For example, Jeanette's parent were strict with her regarding sexual abstinence but in the case of her brother Rex, the rule was relaxed. Her parents are having standard regarding the two of them.

The humanistic perspective rejects the view that behavior reflects biological forces, un-conscious processes, or the environment. In other words, it rejects the and perspectives, respectively.
a. cognitive; psychodynamic; behavioral.b. neuroscience; cognitive; behavioral.c. cognitive; psychodynamic; neuroscience.d. neuroscience; psychodynamic; behavioural.

Answers

Answer:

Neuroscience, psycho-dynamic and behavioral.

Explanation:

Neuroscience is the branch of neuro-psychology that deals in brain activity. Neuroscience is the latest area of study and research. It is a multidisciplinary science. It deals with the nervous system of human beings. It includes anatomy, structure, biology, evaluation cellular, the chemical reaction in the brain.  

Psycho-dynamic is the branch of psychology that deals in the unconscious mind. It includes the personality traits and characteristics that are determined by childhood experience.  

Behavioral psychology deals in modification and learning of new behavior with the help of the association between stimulus and subjects.

The humanistic perspective rejects the neuroscience, psychodynamic, and behavioral perspectives, emphasizing personal control and self-actualization. The correct answer is d. neuroscience; psychodynamic; behavioral.

This view contrasts with the determinism of Freud's psychoanalysis and the reductionism of behaviorism.

In psychology, the humanistic perspective emphasizes an individual's inherent drive towards self-actualization and creativity.

It focuses on personal control, intentionality, and the true predisposition for good in humans, contrasting sharply with the determinism of Freud's psychoanalysis and the reductionism of behaviorism.

there are 3 Glubnorians in the room. (They’re big, so the room is getting crowded.) What’s the probability that at least two of them have the same birthday?

Answers

Answer:

probability that there's a shared birthday is 365/3652 or about o.27%

Explanation:

Probability is how probable is for a determinate event to happens, when we are not sure of the result of certain event we can talk of the probability. The best example of probability is flipping a coin there is two possible probabilities you can get tails or you can get heads. What is the probability of getting heads? We can find it using the equation  

(p) a =?  And you might thing intuitively that there is 50% of probability  in this case

(p )a= 1/2  = 50%

in can be expressed  

P = Likely/ posibble

so if we got p3

we need to take for each person the day that  is not likely to share with the others from 1  

p3 = 1 − 364 365 • 363 365 = 1 − 364 • 363 3652 ,

_____ is based on the concept that law is a social institution that should be used to promote fairness by taking into account social and economic realities when arriving at legal conclusions.

Answers

Answer:

Legal Realism

Explanation:

Legal Realism is based on the concept that law is a social institution that should be used to promote fairness by taking into account social and economic realities when arriving at legal conclusions. Legal realism holds that the courts can apply in a logical and objective manner the rules and principles that guide them. The school of thought that dominate legal realism are; Power and economics in society, Persuasion and Characteristics of the individual judges, Society’s welfare, Practical approach to a durable result, Synthesis of legal philosophies

Practical approach to a durable result school of thought suggest that legal disputes should be settled in a fair and practical manner.

You are at a basketball game and the arena is packed; the crowd is evenly split between fans of the two teams. At one point, the referee makes a call. Half of the fans yell insults; the other half of the fans shout their approval. The event reminds you of the topic of today's lecture in psychology class. What was the likely topic of the lecture?

Answers

The correct answer would be, Bias.

You are at a basketball game and the arena is packed. The crowd is evenly split between fans of the two teams. At one point the referee makes a call. Half of the fans yell insults and the other half of the fans shout their approval. The event reminds you of the topic today;s lecture in psychology class. The likely topic of the lecture would be Bias.

Explanation:

When people are inclined towards someone or something in an unfair manner, this is called as bias. People usually get biased because of their association with the thing or person and this is the reason, they favor the unfair practice.

As given in the question, when the arena is full with the evenly distributed supporters of both teams, and when the referee makes a call, then the ones who are inclined towards the team getting the call felt insult, which is actually bias, because they are favoring someone who was unfair and got a call.

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Final answer:

The psychology lecture likely discussed social influence on behavior, specifically how referees are affected by crowd presence, which leads to home team bias that diminishes without fans. Awareness of such biases can help with fairness.

Explanation:

The experience at a basketball game you described aligns with the psychological concept of social influence on behavior, which could likely be the topic of the psychology lecture. According to research by sports psychologists like those from the University of Salzburg, referee bias is a real phenomenon affected by the presence or absence of fans. This research, conducted by Leitner and others, shows that referees tend to favor the home team when under the influence of a crowd, but this bias diminishes when the fans are not present.

Therefore, the lecture could have explored how group dynamics and social pressures can impact decisions and behaviors, especially in high-stakes environments such as sports events. It could also include discussion on how awareness of these biases is crucial for impartiality and fairness in referees' decisions.

In this case, the fans' split reactions exemplify the polarizing effect of refereeing decisions and how each side of the crowd can provide social cues that influence perception and responses to the call made by the referee.

People often overestimate the clarity of their intentions in their e-mails or text messages because they underestimate the importance of ________ in communication.

Answers

Answer:

Tone

Explanation:

The tone of a written conversation is just as important as the tone of a verbal one. It affects the reader's attitude towards the content, as well as the writer. Underestimating the importance of tone in how a message is read and understood tends to reduce the control a writer has of projecting their intentions in their menage. This results in an overestimation of how clear and transparent their intentions are in the written massage.

Creating advertising to appeal to consumer groups of varying lifestyles, attitudes, values, and behavior patterns is called ________ segmentation.

Answers

Answer: Psycho-graphic Segmentation  

Explanation:

 The psycho-graphic segmentation is one of the type of method that helps the marketers for understanding the various types of challenges, values, goals and the emotions.

It is the process of dividing the market based on the customer interest, values, behavior patterns and the personality traits.

The psychological segmentation is important for the taking various types of marketing decisions and it also predict the various types of customer behavior and characteristics.    

 Therefore, Psycho-graphic Segmentation is the correct answer.

Eric and Sara both take part in a research study that is investigating the effects of practice on memory. Eric practiced for 10 hours straight before the memory test, while Sara reviewed the material 2 hours a day for a week before the test. In this study, Sara is part of the__________.

Answers

Answer:

Sara is part of the experimental group

Explanation:

Eric and Sara both take part in a research study that is investigating the effects of practice on memory. Eric practiced for 10 hours straight before the memory test, while Sara reviewed the material 2 hours a day for a week before the test. In this study, Sara is part of the experimental group.

Eric and Sara are both part of the experimental group. However, they are most likely in different treatment groups. While Eric is in a treatment that requires 10 hours straight practice, Sara is in a treatment group that requires reviewing the materials to hours daily for a week prior to the memory test.

Sara is part of the control group.

In research studies, particularly experimental ones, there are often two main groups: the experimental group and the control group.

1. Experimental Group: This group receives the treatment or intervention that the researchers are investigating. In this case, Eric, who practiced for 10 hours straight before the memory test, would be considered part of the experimental group.

2. Control Group: This group does not receive the treatment or intervention. Instead, they may receive a placebo or they may simply continue with their normal routines. In this scenario, Sara, who reviewed the material 2 hours a day for a week before the test, would be considered part of the control group.

The temperate zones of the United States experience changing of seasons from winter to summer. Which is the reason for this annual change of seasons?

Answers

Answer: The tilt of the Earth's axis of rotation.

Explanation:

The seasons on the planet Earth are as a result of the tilt of the Earth's axis of rotation. When the Earth's tilt in axis causes the northern hemisphere to face the sun more directly those parts experience summer and when the Earth's axis tilt causes the Northern hemisphere not to face the Sun directly, those parts experience winter. Most parts of the United States are found in the Northern hemisphere.

Final answer:

The changing of seasons in the temperate zones of the United States is caused by the tilt of the Earth's axis and its revolution around the sun.

Explanation:

The reason for the annual change of seasons in the temperate zones of the United States is due to the tilt of the Earth's axis and its revolution around the sun. During different times of the year, different parts of the Earth receive varying amounts of sunlight. In the winter, the Northern Hemisphere, including the temperate zones of the United States, is tilted away from the sun, resulting in less direct sunlight and colder temperatures. In the summer, the Northern Hemisphere is tilted towards the sun, leading to more direct sunlight and warmer temperatures.

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Portfolio management calls for holding diversified portfolios without spending effort or resources attempting to improve investment performance through security analysis.

Answers

Answer: Passive

Compete Question: Passive portfolio management calls for holding diversified portfolios without spending effort or resources attempting to improve investment performance through security analysis.

Explanation: Passive portfolio management or Index fund management is an investment strategy that copies an index such as the FTSE 100 index by holding some stocks and securities of the index. Equal weighting is given to every security and stock without spending effort or resources attempting to improve investment performance through security analysis.

This is in contrast with the Active Portfolio Management strategy which aims to surpass the performance of any given index. This type of portfolio is actively monitored by a dedicated manager who continuously researches way to improve investment performance through security analysis.

Shaping is the reinforcement of successive _______.
a) responses.
b) elements of a chain.
c) approximations of a desired behavior.
d) increases in the intensity or topography of a behavior.

Answers

Answer:

Approximation of desired behavior

Explanation:

The approximation of desired behavior is most likely to shape the learning behavior. When a behavior is guided and shaped by a technique that is called approximation. It enables the animals and human beings to learn a behavior until its approximation.

This behavior is not normal daily routine wok but it is a specialized work that has been shaped. When shaping behavior, there is a hierarchy that has to follow step by step. These steps are additive to each other. The response of the behavior is reinforced differently when shaping occurs. It consists of a hierarchy to shape the behavior and there is seven-step to make the hierarchy.  

Shaping is a key component of operant conditioning and involves reinforcing successive approximations of a desired behavior to guide an organism towards a complex target behavior. This method is known for its effectiveness in fostering the development of complex behaviors and was widely used by psychologist B.F. Skinner in his experiments. Option c is correct.

Shaping is a behavioral technique used in operant conditioning, and it involves the reinforcement of successive approximations of a desired behavior. This process is used to guide an organism towards exhibiting a complex behavior by rewarding behaviors that are closer to the target behavior over time.

For instance, if we apply this to a classroom setting, shaping could involve rewarding students initially for just sitting down when they enter the room, and then later only rewarding when they both sit down and remain quiet after the bell rings. These reinforcements can lead to the development of chains of behaviors that are associated with the gradual achievements leading up to the final desired behavior.
The famous psychologist B.F. Skinner, who developed the theory of operant conditioning, utilized shaping extensively in his experiments. By incrementally reinforcing behaviors that progressively resemble the final desired behavior, complicated behaviors can be effectively learned and retained. For example, a rat could be shaped to press a lever twice to receive food through a series of stepwise reinforcements that gradually lead to the final behavior.

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