psy 2

Which of the following represents a weak positive correlation? +0.9 -0.9 0 +0.2

+0.2

Which correlation coefficient best represents a moderate relationship showing fewer anxiety symptoms in people who report higher life satisfaction? +0.7 +0.4 -0.5

-0.5

On a graph of a correlation coefficient, points falling near to a straight sloped line indicate ________. Correct! a strong correlation no correlation a weak correlation it is unclear from the information given

a strong correlation

Simplicity of conducting the study is to ________ as ability to test large numbers of participants is to ________. experiments; surveys archival research; surveys case studies; naturalistic observation archival research; naturalistic observation

archival research; surveys

________ is a reduction in the number of research participants as some drop out of the study over time. generalizability attrition experimenter bias single blinding

attrition

The scientific process is ________, involving both inductive and deductive reasoning. discontinuous perfectionistic unpredictable circular

circular

The ________ group does not get the experimental treatment. alternate experimental independent dependent control

control

Green et al. used a ________ from their ________ of interest in order to make a ________. generalization; sample; hypothesis sample; population; hypothesis population; sample; generalization sample; population; generalization

sample; population; generalization

A(n) ________ is conducted in order to determine whether there are meaningful differences between two groups in a study. validity assessment correlation coefficient statistical analysis scatterplot

statistical analysis

Scientific knowledge is advanced through a process known as ________. the scientific method inductive reasoning the experiment deductive reasoning

the scientific method

A(n) ________ is a well-developed set of ideas that proposes an explanation for observed phenomena. theory conclusion operational definition hypothesis

theory

Data from many studies have been complied, and researchers have developed a(an) ______________________ to explain their results. experimental study abstract hypothesis theory

theory

A basic experiment involves a minimum of ________ participant group(s). three four two one

two

In order to assess whether viewpoints on decriminalization of marijuana for medical purposes change with age, four groups of participants, ages 20, 30, 40, and 50, are asked whether they support this issue. What is one flaw of this design? Recruitment could be a challenge because people of different ages are difficult to sample. Longitudinal research is time consuming. Marijuana has already been decriminalized in some places. Social or cultural factors may influence the results, not age.

Social or cultural factors may influence the results, not age.

Which of the following is not a potential problem associated with relying on college students as participants in psychological research? They tend to be more liberal than the general public. They are more educated than the general public. It may be difficult to generalize findings to other groups. They have higher attrition rates than other populations.

They have higher attrition rates than other populations.

Magali and Jean-Gabriel have been asked to design a study investigating happiness across the lifespan. They decide their study will involve going to the mall and asking people of a variety of ages if they are happy or unhappy. What is the most serious flaw of this design? Their results will depend on how busy the mall is. People will know that they are part of a research study and may decline participation. They have not defined happiness or how it will be measured. Survey data is not as valid as experimental data.

They have not defined happiness or how it will be measured.

Replication increases scientific confidence in a theory if the _______________. applied research is used to help people findings are similar across studies statistics are significant across studies citations are accurate across studies

findings are similar across studies

A group of preschool-age children are enrolled in a study that plans to follow them over time in order to assess behaviors and other characteristics that may predict later development of schizophrenia. This is an example of a(n) ________ design. survey longitudinal experimental cross sectional

longitudinal

________ refers to the ability to consistently produce a given result. statistical significance generalizability reliability validity

reliability

Which of the following would be the best example of a valid naturalistic observation study in driving behavior? assessing behaviors from a police cruiser dash cam watching footage obtained from cameras set up unobtrusively on various streets using footage from red light cameras having passengers rate the driver's behavior

watching footage obtained from cameras set up