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Hi all,

Sometimes you may come across a scientific journal article that is locked only for certain institutions. We have access to many of these articles for free, so if you're working in the academic world and need access, make your

Biology Forums   312   N/A

Biology Forums

In the two-group, posttest-only design involving autistic children, it was possible to

In the two-group, posttest-only design involving autistic children, it was possible to

In the two-group, posttest-only design involving autistic children, it was possible to
A) compare scores on a pretest measure.
B) randomly assign participants to groups.
C) establish the cause of autism.
D) avoid replication by an

Cremeux   2785   5 Replies

stylez

Which OMICS technology platform would be easier to produce a presentation on?

Which OMICS technology platform would be easier to produce a presentation on?

I have a piece of work to do where I must choose 1 out of 5 OMICS technology platforms (Genomics / Transcriptomics / Proteomics / Lipidomics / Metabolomics) and produce a presentation on a novel idea which utlises the technology to address the

Jake Midgley   586   8 Replies

Jake Midgley

How do you calculate cell viability with a cell countess?

How do you calculate cell viability with a cell countess?

You wish to set up a multi-well cell culture experiment and begin by trypsining a T75 flask of adherent cells with 2ml of trypsin. After adding 3ml of media to this and transferring the suspension to a sterile tube, you carry out a cell count. To che

Galina Rupchina   495   3 Replies

bio_man

Textbook ISBN: 978-1975129255

Textbook ISBN: 978-1975129255

Greetings.

I am looking for the follow textbook in PDF format:


Avery & MacDonald's Neonatology: Pathophysiology and Management of the Newborn

ISBN: 978-1975129255

Thank you,
$

stanmoth   999   5 Replies

stanmoth

How to interpret the boxplot data?

How to interpret the boxplot data?

Dear all,
I have an assignment to interpret this boxplot.

[img width=350 height=196]https://biology-forums.com/gallery/43/1038291_15_11_21_1_27_53.jpeg[/img

tsing_lee   880   5 Replies

bio_man

What is usually the major contributor to error variance?

What is usually the major contributor to error variance?

What is usually the major contributor to error variance?
A) group size
B) unreliable measurement
C) individual differences
D) high means

Cremeux   792   4 Replies

Bridgett Herrera

Case-study research is of a higher level of constraint than naturalistic observation because

Case-study research is of a higher level of constraint than naturalistic observation because

Case-study research is of a higher level of constraint than naturalistic observation because
A) humans rather than animals are being studied.
B) the researcher intervenes with the participant's functioning.
C) case-study research

Cremeux   792   4 Replies

Bridgett Herrera

The statement that there is no statistically significant difference between two population variances

The statement that there is no statistically significant difference between two population variances

The statement that there is no statistically significant difference between two population variances exemplifies a(n)
A) no-difference hypothesis.
B) null hypothesis.
C) no-difference theorem.
D) alternative hypothesis.

Cremeux   601   4 Replies

Alli Hernandez

How to interpret these PCA Graph?

How to interpret these PCA Graph?

Dear all,
I need a help to interpret this graph.

tsing_lee   518   6 Replies

tsing_lee

Whose responsibility is it to make sure that research is carried out in an ethical manner.

Whose responsibility is it to make sure that research is carried out in an ethical manner.

Whose responsibility is it to make sure that research is carried out in an ethical manner.
A) the research methods instructors
B) the researcher
C) the university
D) the federal government

Cremeux   604   4 Replies

jenny teng

A sample cannot be randomly drawn if it is comprised of

A sample cannot be randomly drawn if it is comprised of

A sample cannot be randomly drawn if it is comprised of
A) animals.
B) human participants.
C) volunteer participants.
D) people from a subpopulation.

Cremeux   628   4 Replies

Antony Mutunga

Suppose a psychoanalyst studies enuretic children seen in her private practice. She observed that ea

Suppose a psychoanalyst studies enuretic children seen in her private practice. She observed that ea

Suppose a psychoanalyst studies enuretic children seen in her private practice. She observed that each child suffers from Oedipal conflicts and thus concluded that all enuretic children suffer from such conflicts. This conclusion illustrates a proble

Cremeux   2782   12 Replies

Char Draughn

What is the usual starting point for research?

What is the usual starting point for research?

What is the usual starting point for research?
A) the observation phase
B) asking a question
C) communication phase
D) procedures design

Cremeux   1606   7 Replies

MaryMa

A researcher conducts a study comparing class grades and age in one classroom. While the majority of

A researcher conducts a study comparing class grades and age in one classroom. While the majority of

A researcher conducts a study comparing class grades and age in one classroom. While the majority of the class is 19-22 years old, there are three students in their 40s. In this case, the most reasonable measure of central tendency would be the

Cremeux   1388   11 Replies

Ashima Bhutani

In correlational research, we are primarily concerned with

In correlational research, we are primarily concerned with

In correlational research, we are primarily concerned with
A) quantifying the relationship between two or more variables.
B) the effect of the natural environment on the participant.
C) a comparison between two or more groups of partic

Cremeux   694   5 Replies

Friday’s Channel

One is most apt to make use of the research literature in the

One is most apt to make use of the research literature in the

One is most apt to make use of the research literature in the
A) idea-generation phase of research.
B) problem-definition phase of research.
C) data-analysis phase of research.
D) interpretation phase of research.

Cremeux   507   4 Replies

bmlz

One of the chief weaknesses of an ex post facto procedure is that

One of the chief weaknesses of an ex post facto procedure is that

One of the chief weaknesses of an ex post facto procedure is that
A) it is only valid in research on children.
B) no dependent variable can be manipulated.
C) the researcher is unable to eliminate rival hypotheses.
D) there are no

Cremeux   662   4 Replies

Parmparm

The chief disadvantage of the t-test is that

The chief disadvantage of the t-test is that

The chief disadvantage of the t-test is that
A) it evaluates only the variance and not the means.
B) it is difficult to apply.
C) it can only be used when there are three or more groups.
D) it can only compare two groups at a time

Cremeux   1087   6 Replies

Sourav Dokania

Statistics used to summarize, simplify, and represent large numbers of measurements are called

Statistics used to summarize, simplify, and represent large numbers of measurements are called

Statistics used to summarize, simplify, and represent large numbers of measurements are called
A) prescriptive statistics.
B) parametric statistics.
C) inferential statistics.
D) descriptive statistics.

Cremeux   2845   7 Replies

Jessica Princess

The level of constraint that employs the greatest level of control is

The level of constraint that employs the greatest level of control is

The level of constraint that employs the greatest level of control is
A) differential
B) experimental
C) case study
D) correlational

Cremeux   1002   11 Replies

Carlos Trujillo

A random sample is a(n)

A random sample is a(n)

A random sample is a(n)
A) unrepresentative sample.
B) biased sample.
C) unbiased sample.
D) ad hoc sample.

Cremeux   708   4 Replies

Tatey Tot

Which of the following statements is NOT an example of experimenter expectancy?

Which of the following statements is NOT an example of experimenter expectancy?

Which of the following statements is NOT an example of experimenter expectancy?
A) participants trying to be "good participants"
B) data selection to support the hypothesis
C) choosing favorable statistical tests
D) chan

Cremeux   592   5 Replies

maria.

Of the following levels of research, which one represents the highest level of constraint?

Of the following levels of research, which one represents the highest level of constraint?

Of the following levels of research, which one represents the highest level of constraint?
A) correlational research
B) case-study research
C) naturalistic observation
D) differential research

Cremeux   769   4 Replies

t jones

The idea-generating phase of a research project is usually followed most closely by

The idea-generating phase of a research project is usually followed most closely by

The idea-generating phase of a research project is usually followed most closely by
A) the data-analysis phase.
B) the communication phase.
C) the problem-definition phase.
D) the procedures design phase.

Cremeux   1316   8 Replies

Friday’s Channel

Questions about viral evolution research paper

Questions about viral evolution research paper

Hello!

This is my last post for the next few months because my semester is almost over! Anyways, to finish off the semester, my molecular evolution class tasked us to read an assigned research paper and present it by summarizing the intro,

Mateyman   339   12 Replies

bio_man

Matching participants on the variable of gender is relatively simple because

Matching participants on the variable of gender is relatively simple because

Matching participants on the variable of gender is relatively simple because
A) gender of participants has only two levels.
B) gender is a continuous variable.
C) many studies use gender as a variable.
D) determining gender is a r

Cremeux   395   4 Replies

Destro1001

A therapist who believes that a particular case is particularly informative and wants to publish the

A therapist who believes that a particular case is particularly informative and wants to publish the

A therapist who believes that a particular case is particularly informative and wants to publish the case study needs to
A) get blanket permission from an IRB to publish clinical cases.
B) wait until the client dies to publish
C) get t

Cremeux   413   4 Replies

Carlos Trujillo

"If X occurs, Y will probably occur" is an example of a(n)

"If X occurs, Y will probably occur" is an example of a(n)

"If X occurs, Y will probably occur" is an example of a(n)
A) contingency.
B) hypothetical scientific probability.
C) observation.
D) hypothesis.

Cremeux   940   4 Replies

Carlos Trujillo

An example of an ex post facto fallacy is

An example of an ex post facto fallacy is

An example of an ex post facto fallacy is
A) "If we let this defendant off easy, then we'll have to let everybody else off, too."
B) "This statement is untrue, because it was made by a man who is a mental patient."

Cremeux   1056   4 Replies

Kristin Shoop

Need help picking out two articles that relate to my class material to review

Need help picking out two articles that relate to my class material to review

Hello,

I have a research assignment where my objective is to pick out two peer-reviewed research articles that relate to a topic from my molecular evolution class. Basically these two papers must be on the same topic. I will need to summar

Mateyman   196   3 Replies

bio_man

An experimenter hopes to find that the predicted variation

An experimenter hopes to find that the predicted variation

An experimenter hopes to find that the predicted variation
A) leads to accepting the null hypothesis.
B) reduces the difference between-groups.
C) increases the within-groups variation.
D) is due to the experimental manipulation.

Cremeux   533   4 Replies

Madison Linam

Which of the following is NOT one of the four types of commonly used controls mentioned in the text?

Which of the following is NOT one of the four types of commonly used controls mentioned in the text?

Which of the following is NOT one of the four types of commonly used controls mentioned in the text?
A) control over subject and experimenter effects
B) control achieved through selection and assignment of participants
C) control over

Cremeux   446   4 Replies

Destro1001

Need help answering some questions about opsin genes

Need help answering some questions about opsin genes

Hey!

Back again with another research paper that comes along with some questions that I would love for some1 to double check. Their is a total of 6 questions, but I am only gona start with 1 question because its not fair to put all 6 when

Mateyman   322   3 Replies

bio_man

If a broken clock (i.e., stuck on the same time) is consulted every hour on the hour, it willA) yiel

If a broken clock (i.e., stuck on the same time) is consulted every hour on the hour, it willA) yiel

If a broken clock (i.e., stuck on the same time) is consulted every hour on the hour, it will
A) yield a reading that is valid.
B) yield a reading that is valid but not reliable.
C) yield a highly reliable reading, but one that is not

Cremeux   738   4 Replies

Joy Scott

Working on a genome review paper

Working on a genome review paper

Hello! Not sure if this post should go under "Other" heading but here it goes.

I am taking a molecular evolution class and one of our assignment is to review a genome paper.

Basically we are given a list of genome pape

Mateyman   288   10 Replies

Mateyman

The nature of the research question that is asked has ramifications on all of the following EXCEPTA)

The nature of the research question that is asked has ramifications on all of the following EXCEPTA)

The nature of the research question that is asked has ramifications on all of the following EXCEPT
A) the level of constraint of a research project.
B) the type of data and measurement.
C) the kinds of statistical analyses used.
D

Cremeux   536   5 Replies

njimu56

Discussion of nearly neutral theory of molecular evolution paper #2

Discussion of nearly neutral theory of molecular evolution paper #2

This is a second paper that I am assigned to read about nearly neutral theory

Nearly Neutral Evolution Across the Drosophila melanogaster Genome

Link: https://www.biorxiv.org/content/biorxiv/early/2018/08/07/212779.full.pdf

Mateyman   230   2 Replies

Toby Warner

Discussion of nearly neutral theory of molecular evolution paper #1

Discussion of nearly neutral theory of molecular evolution paper #1

Hey all!!

Am reading this article called "Accelerated evolution and Muller's rachet in
endosymbiotic bacteria by NANCY A. MORAN
 "

Here is the link: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC39726/pd

Mateyman   240   3 Replies

bio_man

Double checking discussion questions about research paper

Double checking discussion questions about research paper

Hey all!

I am reading this paper about cadherin like protein and how to allows parasite t.vaginalis (STD parasite) to adhere to host cell and ultimately kill the host cell. Here is the link to the article: https://mbio.asm.org/content/10/3

Mateyman   319   6 Replies

Mateyman