Question 1

The fourth step in the scientific method involves:

Accepted Answer

In the fourth step of the scientific method, conclusions are drawn based on the results of the research or experiment conducted in the previous step. These conclusions help to determine if the original hypothesis was supported or not.

Question 2

The third step in the scientific method involves:

Accepted Answer

After posing a question, the next step is to conduct research in order to gather information and data on the topic. This research will then inform the development of a hypothesis which can be tested in subsequent steps. Drawing conclusions comes later in the scientific process.

Question 3

Empirical evidence is based on:

Accepted Answer

Empirical evidence is based on observations, not theories, inferences, or opinions.

Question 4

Dr. Furth wonders if a specific brain chemical can be suppressed if a patient is given a large dose of vitamin E. This curiosity is the _____ step in the scientific method.

Accepted Answer

The first step in the scientific method is identifying a question or curiosity, which Dr. Furth is doing by wondering about the effect of vitamin E on a brain chemical.

Question 5

Parents who spend a great deal of time and money trying to find the best school for their children believe in the importance of:

Accepted Answer

Parents who spend time and money searching for the best school for their children believe in the importance of nurture, which refers to the environmental factors that influence a child's development, such as education and upbringing. These parents believe that by giving their children access to the best educational experiences, they can help them reach their full potential.

Question 6

The study of human development is conducted in a scientific manner because:

Accepted Answer

The scientific approach to studying human development aims to move from opinion to proof by using systematic and objective research methods to gather and analyze data. The goal is to establish reliable and valid knowledge about human development, rather than simply expressing subjective opinions or beliefs.

Question 7

What does the science of human development seek to understand?

Accepted Answer

The science of human development seeks to understand how and why people change over time. It involves studying physical, cognitive, and socioemotional development from conception to old age. The other options (A, B, and C) are not accurate descriptions of the science of human development.

Question 8

Dr. Hernandez thinks that a certain drug will help patients with schizophrenia. Her belief is called:

Accepted Answer

Dr. Hernandez's belief is an educated guess that she seeks to test through research, therefore it is a hypothesis.

Question 9

The second step in the scientific method involves:

Accepted Answer

Developing a hypothesis is the second step in the scientific method. A hypothesis is a proposed explanation for a phenomenon. It is based on evidence and observation, and it can be tested through experimentation.

Question 10

What is a researcher's first step when designing a research study on children's language acquisition?

Accepted Answer

The first step in designing a research study on children's language acquisition is to pose a research question about language acquisition. This question will guide the development of the research hypothesis and the recruitment of participants. Without a clear research question, the study cannot proceed in a meaningful or focused way.

Question 11

After posing a question, a researcher using the scientific method:

Accepted Answer

After posing a question, the researcher will develop a hypothesis that will guide their research. They will then proceed to test the hypothesis through experimentation, observation, or other methods. Once sufficient data has been collected, the researcher can then draw conclusions based on the results. However, selecting a group of participants is often part of the experimental process, but is not the next step after posing a question.

Question 12

Dr. Henderson is curious to know more about how children develop over time. The BEST way to gain an understanding of this subject is to:

Accepted Answer

Using the scientific method to collect data and establish facts is the most reliable and objective way to gain an understanding of how children develop over time. This involves developing testable hypotheses, collecting data through observation or experiments, analyzing the data, and drawing conclusions based on the evidence. This approach ensures that the conclusions are based on empirical evidence, rather than on personal opinions or anecdotal evidence.

Question 13

The first step in the scientific method involves:

Accepted Answer

The first step in the scientific method is to pose a question or problem to be investigated. This helps to define the focus of the research and guide the development of a hypothesis.

Question 14

What is replication of a study?

Accepted Answer

Replication of a study refers to the repetition of a study using different participants to see if the same results can be obtained. This helps to increase the reliability and validity of the original findings, and to see if they can be generalized to a wider population.

Question 15

The final step in the scientific method is to:

Accepted Answer

The final step in the scientific method is to report the results, which involves sharing findings with others through publications, presentations, or other forms of communication.

Question 16

Replication is important in scientific research because it:

Accepted Answer

Replication is important in scientific research because it verifies evidence using different participants. This helps to ensure that findings are consistent and can be relied upon. It also helps to rule out the possibility that initial results were due to chance or specific factors in the initial study.

Question 17

A hypothesis is a(n):

Accepted Answer

A hypothesis is a proposed explanation for an observable phenomenon. It is a prediction that can be tested through research and experimentation to determine its validity.

Question 18

Dr. Kong does a study in which he finds that smoking is correlated to an increased risk of high blood pressure. He publishes his results. Then Dr. Meco does the same study using different participants in another city. Dr. Meco's work is an example of:

Accepted Answer

Dr. Meco's study is an example of replication, which is an important aspect of the scientific process. Replication involves repeating an experiment or study to confirm the results, increase confidence in the findings, and identify any potential flaws or errors in the original study. This helps strengthen the validity and reliability of the scientific evidence. Scientific controversy, ethics, and observation are not directly related to the specific scenario described.

Question 19

Dr. Seldor does a study in which she finds that alcohol consumption is correlated to an increased risk of diabetes. She publishes her results. Then Dr. Al-Jaher does the same study using different participants in another nation. Dr. Al-Jaher's work is an example of:

Accepted Answer

Dr. Al-Jaher's study is an example of replication, which refers to the process of repeating a study with different participants and possibly some methodological changes to investigate a research question. Replication is an essential aspect of scientific inquiry because it allows researchers to confirm or refute previous findings and test the generalizability of the initial results. Replication is also a way to address validity and reliability concerns that can arise from biased or flawed research. Therefore, B is the best choice. Scientific controversy refers to a situation in which there are different interpretations or conflicting evidence on a research topic or theory, which is not the case in this scenario. Empirical evidence simply refers to the data or observations that researchers collect as part of their investigations, which is not the focus here. A hypothesis is an educated guess or explanation that researchers propose to explain a phenomenon or relationship, which is not what Dr. Al-Jaher is doing in this case.

Question 20

A researcher wants to find out if 350 mg of a certain drug will help patients with bipolar disorder. He sets up an experiment to find out. This experiment is based on his:

Accepted Answer

The experiment is based on the researcher's hypothesis, which is the proposed explanation or prediction for the relationship between the drug and bipolar disorder.

Quiz 1: The Science of Development