More cards in this set

Card 6

Front

QUASI EXPERIMENT:
-IV based on an existing difference between people.

+Controlled conditions= High internal validity.
-Cannot randomly allocate due to confounding variables.

Back

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Card 7

Front

STRATIFIED SAMPLING:
-Represents each subgroup in the population.
-Random sampling to allocate strata

+Avoids researcher bias.
+Representative.
-Cannot reflect every subgroup.

Back

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Card 8

Front

VOLUNTEER SAMPLE:
-People self selecting themselves.

+Easy
-Volunteer bias.

Back

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Card 9

Front

DECEPTION:
-Deliberatley withholding or misleading information from ppts.
-Deception can be justified with demand characteristics.

DEALING WITH IT:
-Right to withdraw.
-Full debrief.

Back

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Card 10

Front

PRIVACY + CONFIDENTIALITY:
-Right to control information about themselves.

DEALING WITH IT:
-Personal details remaining anonymous.
-Ppts should be reminded constantly that their data will be protected.

Back

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Card 11

Front

CONTROL GROUPS:
-Compared to an experimental group.
-If CG and EG behaviour vary, it can be blamed on the IV.

Back

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Card 12

Front

COVERT: Ppts unaware they are being observed.
+Removes demand characteristics.
-Ethical issues- deception.
OVERT: Ppts aware they are being observed.
+More ethical.
-Demand characteristics.

Back

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Card 13

Front

STRUCTURED OBSERVATION: Pre-determined coding (Quantitative)
+Easy data collection
+More systematic.
- Only produces numerical data.
UNSTRUCTURED OBSERVATION: No checklist (Qualitative)
+More in-depth data.
-Observer bias

Back

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Card 14

Front

CORRELATIONS:
-Checks to see if two sets of numbers are related.
-Correlation co-efficient (-1=negative) (+1=positive)
+ Useful to find a link between socially sensitive topics.
-Do not identify cause of link.

Back

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Card 15

Front

GRAPHS + DISTRIBUTIONS:
TABLES- Raw scores converted to statistics.
BAR CHARTS- Categorical data for clear comparison.
SCATTERGRAMS- Strength and direction of relationship between co-variables.
HISTOGRAMS-Both variables have numerical data.
NORMAL DISTRIB

Back

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