Experimental research
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EXPERIMENTAL RESEARCH. EXPERIMENTAL RESEARCH. A. Explores cause and effect B. Components of an Experiment 1. Random Selection (already chatted about) 2. Random Assignment : Every participant has an equal chance of being placed in the exp. or control group.

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EXPERIMENTAL RESEARCH

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Experimental research

EXPERIMENTAL RESEARCH


Experimental research1

EXPERIMENTAL RESEARCH

A. Explores cause and effect

B. Components of an Experiment

1. Random Selection (already chatted about)

2. Random Assignment:

Every participant has an equal chance of being placed in the exp. or control group


Experimental research2

Experimental Research

3. Experimental Condition or Group:

Receives the experimental treatment

4. Control Condition or Group:

Receives no treatment/used for comparison


Experimental research3

Experimental Research

5. Placebo

Contains no active ingredients but still produces an effect (often due to expectations)

6. Independent Variable:

Manipulated by the researcher (“the treatment”)

7. Dependent Variable:

Measured by the experimenter


Experimental research4

Experimental Research

8. Operational Definitions of Variables:

Specific description/how variable is used in research

9. Replication:

Repeat… easily done because of operational definitions


Name the iv and dv for each scenario

Name the IV and DV for each scenario:

Helpful hint:

First name the two variables in the study; then figure out which one

influences the other. [The change in the IV influences the DV]

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