Reading Check Chapter 2

The _________ group does not get the experimental treatment.

control

A sample that _________ is most likely to yield generalizable results.

is large and randomly selected

The scientific process is _________, involving both inductive and deductive reasoning.

circular

_________ are subjects of psychological research.

participants

Simply expecting something to happen can make it happen. This describes

placebo effect

_________ are the most commonly used species for animal research.

rodents

The possible range for a correlation coefficient is

between -1 and +1

A(n) _________ is a variable that affects both variables of interest and may falsely give the impression of a cause-and-effect relationship.

confounding variable

The _________ variable measures effects of the independent variable.

dependent

Ethics need to be considered when _________ scientific research.

designing, conducting, and reviewing

A major advantage of case studies is

detailed information

In a _________ study, both the researchers and the participants are unaware of the group assignments.

double-blind

Peer reviewers

help ensure quality control in reporting scientific findings

Research on _______ subjects must always involve _________.

human; obtaining informed consent

A negative correlation means

one variable decreases as the other increases

Scientific knowledge is advanced through a process known as

the scientific method

A ________ is least likely to be involved in the IRB decision regarding whether a study will be permitted.

veterinarian