Deck 9: Multi-Group Design: Part 1

Question 1

_____ are tests that examine all of the possible combinations of conditions in a way that statistically accounts for the fact that we did not predict them ahead of time.

A) A priori tests
B) Post-hoc tests
C) Planned contrasts
D) Paired samples t tests

Answer 1

Post-hoc tests

Question 2

Researchers set up a multigroup design and added a group that does not receive any form of the treatment and just completed the dependent variables in the experiment.This group is referred to as the:

A) control group.
B) empty control group.
C) placebo group.
D) baseline group.

Answer 2

empty control group.

Question 3

_____ is a statistical test in which both variables are categorical.This test generally tells us if the distribution of participants across categories is different from what would be expected.

A) Exploratory analysis
B) An a priori test
C) A chi-square test of independence
D) And independent samples t test

Answer 3

A chi-square test of independence

Question 4

In an experiment,the group in which participants believe they are getting the treatment,but in fact are not receiving any type of treatment or manipulation is referred to as the:

A) control group.
B) empty control group.
C) placebo group.
D) baseline group.

Question 5

The association between the perception of global warming and hot or cold temperatures in a room was found to have a _____ relationship.

A) functional
B) linear
C) nonlinear
D) curvilinear

Question 6

_____ is key to minimizing systematic differences between conditions before a study even begins.

A) Reciprocity
B) A chi-square test of independence
C) A baseline group
D) Random assignment

Question 7

_____ is an experimental strategy with implementation of three or more groups.

A) Methodological pluralism
B) Multigroup design
C) Exploratory analyses
D) Post-hoc testing

Question 8

Which of the following refers to when the participant actively attempts to identify the purpose of a research study?

A) active deception
B) pluralism
C) hypothesis-guessing
D) confounding

Question 9

In examining more than two participant groups or levels of an independent variable it is possible to discover:

A) linear relationships.
B) functional relationships.
C) nonexistent relationships.
D) circular relationships.

Question 10

The study's ability to find differences between variables when there is a real difference is referred to as:

A) probability.
B) power.
C) post-hoc.
D) confound.

Question 11

The independent variable (IV)is the variable in a research design that is:

A) manipulated.
B) the byproduct.
C) the outcome.
D) not influencing the outcome.

Question 12

A _____ is a statistical test that determines whether responses from the different conditions are essentially the same or whether the responses from at least one of the conditions differ from the others.

A) chi-square test of independence
B) one-way analysis of variance
C) two-way analysis of variance
D) multiple regression

Question 13

The probability that the study will yield significant results is referred to as:

A) power.
B) placebo.
C) post-hoc.
D) a confound.

Question 14

A general rule suggests that you should have _____ participants per condition for adequate power.

A) 10
B) 15
C) 25
D) 30

Question 15

If you have a multigroup design with seven groups,what is the minimum number of participants you should have for reasonable power in your study?

A) 50
B) 150
C) 210
D) 600

Question 16

The dependent variable (DV)is the variable in a research design that is:

A) manipulated.
B) influencing the outcome.
C) controlled.
D) the byproduct.

Question 17

In an experiment studying caffeine intoxication,which of the following would be considered a placebo?

A) water pill
B) caffeine pill
C) green tea pill
D) coffee

Question 18

Research suggests that the smell of a clean room elicits all of the follow behaviors,EXCEPT:

A) reciprocity.
B) charity.
C) self-interested behavior.
D) volunteering.

Question 19

_____ refers to employing the use of multiple methods or strategies to answer a research question.

A) Methodological pluralism
B) Multigroup design
C) Exploratory analyses
D) Post-hoc testing

Question 20

If researchers unintentionally introduce another variable or construct into a study,then _____ has also been introduced into the experiment.

A) power
B) a placebo
C) post-hoc
D) a confound