UNIT 1 LESSON 3 Flashcards

Experimental Psych

1
Q

required to confirm consistent, repeatable results

A

Experiments

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2
Q

our internal feelings or compulsions that are usually wrong

A

intuitions

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3
Q

tendency to favor or support only our narrow views

A

biases

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4
Q

explanations that organize observations and predict outcomes

A

Theories

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5
Q

a testable prediction related to a theory

A

Hypothesis

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6
Q

exact procedures so the experiment can be replicated

A

Operational definitions

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7
Q

how two factors are linked, and can predict one another

A

Correlation studies

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8
Q

a type of observational study that analyzes data from a population, or a representative subset, at a specific point in time

A

Cross-sectional study

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9
Q

observational research method in which data is gathered for the same subjects repeatedly over a period of time

A

Longitudinal study

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10
Q

a questionnaire that self-reports the anonymous behaviors and characteristics of a certain group

A

Surveys

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11
Q

unhindered observations of animals or people in their natural environment

A

Naturalistic observation

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12
Q

one individual or group is studied in depth in the hope of revealing some universal truth

A

Case studies

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13
Q

group exposed to the treatment

A

Experimental group

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14
Q

group NOT exposed to the treatment in an experiment

A

Control group

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15
Q

where both research participants and staff are unaware of which group
has the placebo, and which has the treatment

A

Double-blind

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16
Q

bar graph with gaps representing categories and
numerical values

A

Bar graphs

17
Q

bar graph with no gaps depicting frequency
distribution

18
Q

a graph cluster of two variables, w/ slope suggesting relationship

A

Scatterplots

19
Q

numerical data used to measure and describe characteristics of groups

A

Descriptive statistics

20
Q

to infer from sample data the probability of something being true of a population

A

Inferential statistics

21
Q

measure how strong
a relationship is between two variables, ranging from -1 to 1 to represent the correlation

A

correlation coefficient

22
Q

a right skew distribution due to a long tail on the positive direction on a number line

A

positive skew

23
Q

a skew in data to the left

A

negative skew

24
Q

a dataset that contains two peaks

25
are central or typical value for a probability distribution
Central tendencies
26
most frequently occurring score
Mode
27
the average score
Mean
28
the middle score in a distribution
Median
29
difference between highest and lowest scores
Range
30
measure of how much scores vary around the mean
Standard deviation
31
undesired variables that can impact the data, and, unless controlled for, skew and/or ruin the research findings
Confounding variables
32
anything that remain constant or controlled by the experimenter
control variables
33
the likely probability that chance was not responsible for the results of a study
Statistical significance