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METODOLOGA DE LA INVESTIGACIN. UNIDAD 2H. SAMPIERI. CAP 6: FORMULACIN DE HIPTESIS

HIPTESIS

Son proposiion!s "!n"#"i$#s #%ir"i$#s #!r# '! (#s r!(#ion!s !n"r! 'os o&)s $#ri#*(!s + s! #po+#n !n onoi&i!n"os or,#ni-#'os + sis"!"i-#'os

G/#s pr!is#s !n n pro!so '! in$!s"i,#i0n In'i#n (o 1! !s"#&os *s#n'o o "r#"#n'o '! pro*#r Son proposiion!s s!"#s # o&pro*#i0n !&p/ri#.

No !n "o'#s (#s in$!s"i,#ion!s s! p(#n"!#n 3ip0"!sis. D!p!n'! '!( #(#n!inii#( '!( !s"'io:

E4p(or#"orio NO s! p(#n"!#n Hip0"!sisD!srip"i$o So(o s! %or&(#n Hi. C#n'o s! pronos"i# n 3!3o

O '#"oCorr!(#ion#( S! %or&(#n Hi. Corr!(#ion#(!sE4p(i#"i$o S! %or&(#n Hi. C#s#(!s

VARIABLE

Es n# propi!'#' 1! p!'! $#ri#r + +# $#ri#i0n !s ss!p"i*(! '! &!'irs!5s!4o &o"i$#i0n #pr!n'i-#! #"r#"i$o %/sio !".7

S! #p(i#n # n ,rpo '! p!rson#s o*!"os (os #(!s#'1i!r!n $#(or!s r!sp!"o # !s# $#ri#*(!.

L#s $#ri#*(!s #'1i!r!n $#(or p#r# (# in$!s"i,#i0n i!n"/%i##n'o p!'!n s!r r!(#ion#'#s on o"r#s

CARACTERISTICAS DE UNA HIPTESIS

D!*!n r!%!rirs! # n# si"#i0n soi#( r!#( 5on"!4"os7. Los "8r&inos '!*!n s!r pr!isos onr!"os + o&pr!nsi*(!s. L# r!(#i0n !n"r! (#s $#ri#*(!s prop!s"# por n# 3ip0"!sis '!*! s!r

(#r# + (0,i#. Los "8r&inos + (# r!(#i0n p(#n"!#'# '!*!n s!r o*s!r$#*(!s + &!'i*(!s. D!*!n !s"#r r!(#ion#'#s on "8ni#s 'isponi*(!s p#r# pro*#r(#s.

QU TIPO DE HIPTESIS SE PUEDEN ESTABLECER?

E4is"!n 'i$!rs#s %ors '! %or&(#r 3ip0"!sis

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Hip0"!sis '! in$!s"i,#i0n9'!srip"i$#s

9orr!(#ion#(!s9'! (# 'i%!r!ni# !n"r! ,rpos91! !s"#*(!!n r!(#ion!s '! #s#(i'#'.

Hip0"!sis n(#s 5Ho7 Hip0"!sis #("!rn#"i$#s 5H#7 Hip0"!sis !s"#'/s"i#s.

HIPTESIS DE INVESTIGACIN (HI)

Proposiion!s "!n"#"i$#s so*r! (# o (#s posi*(!s r!(#ion!s !n"r! 'os o s$#ri#*(!s.A s $!- (#s 3ip0"!sis '! in$!s"i,#i0n p!'!n s!r:

Descripi!"s#no si!&pr! !s n!!s#rio %or&(#r(#s on (# pr!s!ni# '!o*!"i$os !s s%ii!n"!. HI: (# #nsi!'#' !n (os 0$!n!s #(o30(ios s!r)!(!$#'#;

C$rre%"ci$&"%es: !sp!i%i#n relaciones!n"r! 'os o &)s $#ri#*(!s +#'!&)s p!'!n !sp!i%i#r cmo!s")n r!(#ion#'#s. E( or'!n '! (os"8r&inos no !s i&por"#n"! no 3#+ r!(#i0n '! #s#(i'#'. No !s

n!!s#rio i'!n"i%i#r VI + VD so(o !n 3ip0"!sis #s#(!s.

Hi: A +or #"o!s"i &!nor "!&or '! (o,ro;Hi: Los #'o(!s!n"!s &!s"r#n #'# $!- +or!s ni$!(!s '! $io(!ni#;

De %" 'iere&ci" e&re r*p$s: s! %or&(#n #n'o !( %in !s o&p#r#r,rpos + p(#n"!#r 'i%!r!ni#s. 5T#&*i8n ((#'#s orr!(#ion#(!s on#(,n#s 'i%!r!ni#s7

Hi: Los #'o(!s!n"!s $#ron!s (! #"ri*+!n &)s i&por"#ni# 1! (#s

#'o(!s!n"!s &!r!s #( #"r#"i$o %/sio !n ss r!(#ion!s 3!"!ros!4#(!s;

Q*e es"+%ece& re%"ci$&es 'e c"*s"%i'"' # propon! entender(#sr!(#ion!s !4is"!n"!s !n"r! (#s $#ri#*(!s. Es"#*(!!n r!(#ion!s '!#s#9!%!"o.

CORRELACIN y CAUSALIDADson on!p"os #soi#'os p!ro 'is"in"os:

Para establecerse causalidad antes debe establecerse correlacin

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HIPOTESIS NULAS # (HO)

Son !( r!$!rso '! (#s 3ip0"!sis '! in$!s"i,#i0n. Sir$!n p#r# r!%"#r o n!,#r (o1! #%ir (# 3ip0"!sis '! in$!s"i,#i0n

Ho: (# '!sin"!,r#i0n %#&i(i#r '! (os p#'r!s no pro'! *## #"o!s"i !n (os3ios;

HIPOTESIS ALTERNATIVAS (H")

Son posi*i(i'#'!s #("!rn#s #n"! Hi + Ho. O%r!!n o"r# '!sripi0n o !4p(i#i0nposi*(! # (#s 1! proporion#n (#s o"r#s 3ip0"!sis.So(o s! %or&(#n #n'o !%!"i$#&!n"! 3#+ o"r#s posi*i(i'#'!s #'!&)s '! Hi +

Ho

HIPOTESIS ESTADISTICAS

Son (# "r#ns%ori0n '! (#s Hi + H# !n s/&*o(os !s"#'/s"ios. S! p!'!n%or&(#r s0(o #n'o (os '#"os son #n"i"#"i$os.