Experimental Final Exam

How does a non-interrupted time series design differ from an interrupted time series design?

Probability lvl researchers use to indicate the cutoff probability lvl that will allow them to reject the null hypo

What is an example of a variable used in an ex post facto design?

In a within-subjects design:

What does a correlation of -0.8 mean?

The __ measure of variability indicates avg difference bw the scores of a distribution and the mean of a distribution.

Order effects are particularly problematic for __ designs, but group differences are a problematic in __ designs.

An experiment is defined by the following statements except for ______.

A primary disadvantage of a longitudinal design is ______.

The parsimony canon of the scientific method states that ______.

The empiricism canon of the scientific method states that new knowledge is gained from ______.

What statistical measure is commonly used to assess internal consistency of a test?

Adherence to ethical guidelines in psychological studies with humans is currently monitored by ______.

In a journal article, the abstract is:

What is a primary goal of learning research methods in this class?

The ______ statistics summarize a distribution, while the ______ statistics provide a test of the hypothesis.

APA-style articles describing multiple-related studies in one article, the _ and _ sections are repeated for each study.

Of the following, ______ are not considered a source of bias problematic in pretest–posttest designs.

Correlational studies are not well-suited for answering ______ research questions.

common experiences shared by a portion of the population that came of age at the same time

Sampling technique that involves choosing individuals from the population at random

The ______ response scales provide response categories that respondents choose from.

Time measured in minutes is an example of a(n) _________ scale. 

The ______ indicates that the scores on a survey will be similar when participants complete the survey more than once.

APA style refers to the writing style proposed by the American Psychological Association.

When different observers of behavior record the behavior in a similar way, the measure is said to have good _________.

Independent variables can be manipulated according to all but ___________.

Which statistical approach allows researchers to infer conclusions about a population from a sample?

A ______ occur(s) when the sampling technique used is not successful in collecting a representative sample.

What is the main purpose of an experimental design?

“What type of work environment increases productivity of employees?” most likely conducting __ research.

Which ethical principle is not part of the Belmont Report?

Choosing individuals from the population at random where the proportions of members of different groups

What does a p-value represent in hypothesis testing?

Why is it important to conduct a literature review?

In A-B-A design, the first A indicates ______.

Random assignment is a means of controlling for participant differences across groups and ______ the internal validity

Articles that have not been peer reviewed are typically __________.

Which of the following is an example of a descriptive research question?

In an experiment, the variable being measured is called the:

Research question that asks if one beha can be predicted from another beha to allow predictions of future behavior is a

A __ relationship means that the values on the variables change in the same direction (up and down) at the same time.

Longitudinal design age is treated as a __ variable, but age is treated as a __ variable in a cross-sectional design.

Which of the following is not part of a pretest-posttest design?

What is the main purpose of the abstract in an APA-style research paper?

When the effect of one IV depends on the levels of another IV , this is called a(n) ______.

When each participant experiences all levels of the independent variable, this is called ______ variable.

A cohort-sequential design handles some of the sources of bias present in other developmental designs by ______.

If we reject the null hypothesis when it’s really true, we have made a ______.

In a factorial design, what is an interaction effect?

Of the following, ______ might be a reason a researcher would use a quasi-experiment.

Case studies are most appropriate for studying:

Which sampling technique involves participants referring other potential participants?

A research question should:

In an experiment, the variable that is manipulated is called the

What was the Nuremberg Code a response to?

In the ______ design, each subject serves as their own comparison.

What is the primary purpose of descriptive statistics in research?

A study comparing outcomes based on gender would be considered:

Ex post facto studies compare groups based on:

When a question on a survey is actually two questions in one this is called a ______ question.

A(n) ______ test is often used to analyze data in a factorial design.

In a factorial design, there is/are at least ______ independent variable

What is a pretest-posttest design used for?

Which of the following is true about correlational research?

The ______ analyses allow predictions.

The APA-style section’s correct order is ______.

What does construct validity assess in a psychological study?

Only a(n) ______ study has an independent variable.

When is a placebo most appropriately used?

Testing the combined effects of the independent variables is a unique feature of ______.

__ group of individuals a researcher wants to learn about in a study, whereas the _ is the group of individuals tested

A non-equivalent pretest–posttest design contains a control group that ______.

Variable that affects results of the study but is not a variable of interest in the study, is called a(n) __ variable

Convenience samples make it more difficult to generalize the results of the study to the population, lowering its _____.

Why should you care about research if you plan to be a practicing clinician or counselor?

In simple terms the null hypothesis is that a relationship ______ in the study population.

One way that researchers sometimes estimate the population mean from the sample mean is with a confidence interval.

Looking up records of behaviors that have already occurred uses the _________ observation technique.

What is a key limitation of case studies?

What is the role of an IRB?

If the graph of the results of a factorial experiment depicts two parallel lines, we can conclude:

Fair selection of participants is covered by the ______ principle.

What year did Wundt set up for the first laboratory dedicated to applying the scientific method to psychology?

Forcing participants to participate in research without their consent is ______.

The first APA ethical code was based on ______.

Observing behaviors as they occur in an individual's natural environment uses the __________ observation technique.

Who is considered the founder of modern psychology?

A literature review is ________.

Sample mean differences can be caused by ______.

Quota samples are similar to stratified random samples without the random selection from subsets of the population.

In a correlational study, the variable that is predicted by the predictor variable is called the ______ variable.

Which type of validity refers to the extent to which study results can be generalized to other settings or populations?

What does a correlational design assess?

Why is 1879 significant in psychology?

a ______ event, while a noninterrupted time series design includes a ______ treatment.

Quasi-experiments are not experiments because they lack ______.

Informed consent involves ______.

According to APA guidelines, the participants section is a subsection of the ________ section.

What is a key limitation of convenience sampling?

If a study reports a p-value less than the alpha level (e.g., p < 0.05), what is the appropriate conclusion?

An independent variable is ______.

The development and validation of surveys are called ______.

A quasi-independent variable is the same as _______________.

What does test-retest reliability assess in psychological testing?

If a study involves comparing means from a factorial design, the appropriate statistical test is ______.

Allows researchers to answer causal questions about manipulated and measured variables is a(n) __.

What is a main effect in the context of factorial designs?

How many participants are typically involved in a case study?

The results section of a research article would not include ______.

Which of the following is true of the independent variable (IV)?

In a between-subjects design:

The APA-style reference section’s references should be listed ______.

Hypo where effect/relationship doesn't exist/exists in opposite direction of the alternative hypothesis in the pop

Which group receives the independent variable in an experiment?

Allows researchers to compare groups of individuals on a measured variable based on characteristics of the individuals

What makes a quasi-experimental design different from a true experiment?