The
study
of
sexuality
is
called
____________________
.
Case
studies
,
surveys
,
and
direct
observation
are
types
of
____________________
research
.
In
experimental
research
,
the
two
types
of
variables
are
the
____________________
variable
and
the
____________________
variable
.
Types
of
technologies
in
sex
research
include
the
____________________
strain
gauge
,
vaginal
____________________
,
and
the
vaginal
and
rectal
____________________
.
Putting
no
pressure
on
the
participant
,
obtaining
informed
consent
,
and
maintaining
confidentiality
are
all
____________________
guidelines
for
sex
research
.
