U4 AOS3 Investigation aims, questions, hypotheses and variables Flashcards
1
Q
Investigation
aim
A
the purpose of
a study
2
Q
Investigation
question
A
the question that
is to be solved
by a study
3
Q
Hypothesis
A
an idea or
explanation for
something that
is based on
known facts
but has not yet
been proven
4
Q
Independent
variable
A
the variable
that is being
manipulated
(controlled,
selected or
changed) by the
researcher
5
Q
Dependent
variable
A
the variable
that is being
measured by the
researcher
6
Q
Extraneous
variable
A
a variable
other than the
independent
variable that
may have an
unwanted
effect on the
dependent
variable and
results of an
investigation
7
Q
Controlled
variable
A
a variable that
is held constant
to ensure
that the only
influence on
the dependent
variable is the
independent
variable
8
Q
Confounding
variable
A
an unwanted
variable that
has affected the
results of an
investigation
