Conducting Experiments 9

Question 0

Filler items

Answer 0

The researcher may also attempt to disguise the DV by using an intrusive measure or by placing the measure among a set of unrelated filler items

Question 1

Demand characteristic

Answer 1

Any feature of the study of an experiment that might inform participants of the purpose of the study

Question 2

Pilot study

Answer 2

Researcher does a trial run with a small number of participants

Question 3

Confederate

Answer 3

Staged manipulation uses confederate (sometimes termed accomplice) usually another participant

Question 4

Staged manipulation s

Answer 4

When it’s necessary to stage events during the experiment in order to manipulate the IV successfully

Question 5

Straight forward manipulation

Answer 5

Researchers are usually able to manipulate an IV simplicity by presenting written, verbal, or visual material to the participants

Question 6

Behavioral measure

Answer 6

A direct observations of behavior

Question 7

Expectancy effects (experimenter bias)

Answer 7

Experimenters are usually aware of the purpose of the study and thus may develop expectations about how participants should respond

Question 8

Single-blind experiment

Answer 8

The participant is unaware of whether a placebo or the actual drug administered

Question 9

Double-blind experiment

Answer 9

Neither do the participants nor the experimenter knows weather the placebo or the actual treatment is being given

Question 10

Placebo group

Answer 10

Participants in the placebo group receive the pill or injection contain an inert, harmless substance. They don’t receive the drug given to members of the experimental group.

Question 11

Ceiling effect

Answer 11

Sometimes a task is so easy that everyone does well regardless of the condition that one manipulated by the IV. The IV appeas to have no effect on the Dependent measure only because participants quickly reach the maximum performance level.

Question 12

Floor effects

Answer 12

The opposite problem occurs when a task is so difficult that hardly anyone can perform well

Question 13

Self-report

Answer 13

Can be blessed to measure attitudes, liking for someone, judgements about personality, intended behaviors, emotional states, and tasks

Question 14

Sensitivity

Answer 14

The issue with sensitivity is partially important when measuring human performance

Question 15

manipulation check

Answer 15

An attempt to directly measure whether the IV manipulation has the intended effect on the participant

Question 16

A trial run of an experiment with a small number of participants is

Answer 16

Pilot study

Question 17

Staged manipulation so frequently use ________ or accomplice

Answer 17

Confederate

Question 18

When a task is so easy that everyone does well is a ______ effect

Answer 18

Ceiling

Question 19

When a task is so difficult that hardly anyone can perform well, we say there is

Answer 19

Floor effect

Question 20

A _________ ___________ is any feature of an experiment that might inform the participant of the purpose of the study and thus encourage them to do whatever is necessary to conform to the hypothesis

Answer 20

Demand characteristic

Question 21

When experimenters develop expectations about how participants should respond, these expectations scan bias the results.what do we call this ?

Answer 21

Expectancy effects (experimenter bias )

Question 22

In a drug study, what do we call the inert substances that us given to the control group

Answer 22

Placebo

Question 23

Without informing them a researchers signs participants to either an experimental or placebo group. The researcher assistants who test the participants do not know who belongs in which group.

Answer 23

Double blind experiment

Question 24

Wha do we call a direct measure of wether the IV manipulation has the intended effect on the participants

Answer 24

Manipulation check